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Finding the Fourth Proportional to 255,337.74, 351,605.25 and 249,673.14

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Solution

The fourth proportional to 255,337.74, 351,605.25 and 249,673.14 is: 343,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,337.74 : 351,605.25 = 249,673.14 : x
  2. Step 2: Convert to fraction form
    255,337.74/351,605.25 = 249,673.14/x
  3. Step 3: Cross multiply
    255,337.74x = 351,605.25 × 249,673.14
  4. Step 4: Simplify right side
    255,337.74x = 87,786,386,807.99
  5. Step 5: Solve for x
    x = 87,786,386,807.99/255,337.74
  6. Step 6: Final answer
    x = 343,804.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.