Home / 249,518.89-374,279.96-99,771.76

Finding the Fourth Proportional to 249,518.89, 374,279.96 and 99,771.76

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Solution

The fourth proportional to 249,518.89, 374,279.96 and 99,771.76 is: 149,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,518.89 : 374,279.96 = 99,771.76 : x
  2. Step 2: Convert to fraction form
    249,518.89/374,279.96 = 99,771.76/x
  3. Step 3: Cross multiply
    249,518.89x = 374,279.96 × 99,771.76
  4. Step 4: Simplify right side
    249,518.89x = 37,342,569,843.07
  5. Step 5: Solve for x
    x = 37,342,569,843.07/249,518.89
  6. Step 6: Final answer
    x = 149,658.29

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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.