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Finding the Fourth Proportional to 284,266.90, 426,400.35 and 249,246.10

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Solution

The fourth proportional to 284,266.90, 426,400.35 and 249,246.10 is: 373,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,266.90 : 426,400.35 = 249,246.10 : x
  2. Step 2: Convert to fraction form
    284,266.90/426,400.35 = 249,246.10/x
  3. Step 3: Cross multiply
    284,266.90x = 426,400.35 × 249,246.10
  4. Step 4: Simplify right side
    284,266.90x = 106,278,624,276.14
  5. Step 5: Solve for x
    x = 106,278,624,276.14/284,266.90
  6. Step 6: Final answer
    x = 373,869.15

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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.