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Finding the Fourth Proportional to 361,575.51, 542,367.89 and 249,225.57

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Solution

The fourth proportional to 361,575.51, 542,367.89 and 249,225.57 is: 373,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,575.51 : 542,367.89 = 249,225.57 : x
  2. Step 2: Convert to fraction form
    361,575.51/542,367.89 = 249,225.57/x
  3. Step 3: Cross multiply
    361,575.51x = 542,367.89 × 249,225.57
  4. Step 4: Simplify right side
    361,575.51x = 135,171,945,288.82
  5. Step 5: Solve for x
    x = 135,171,945,288.82/361,575.51
  6. Step 6: Final answer
    x = 373,841.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.