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Finding the Fourth Proportional to 288,635.40, 432,953.10 and 249,269.40

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Solution

The fourth proportional to 288,635.40, 432,953.10 and 249,269.40 is: 373,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,635.40 : 432,953.10 = 249,269.40 : x
  2. Step 2: Convert to fraction form
    288,635.40/432,953.10 = 249,269.40/x
  3. Step 3: Cross multiply
    288,635.40x = 432,953.10 × 249,269.40
  4. Step 4: Simplify right side
    288,635.40x = 107,921,959,465.14
  5. Step 5: Solve for x
    x = 107,921,959,465.14/288,635.40
  6. Step 6: Final answer
    x = 373,904.10

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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.