Home / 461,758.19-637,442.28-268,128.18

Finding the Fourth Proportional to 461,758.19, 637,442.28 and 268,128.18

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Solution

The fourth proportional to 461,758.19, 637,442.28 and 268,128.18 is: 370,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,758.19 : 637,442.28 = 268,128.18 : x
  2. Step 2: Convert to fraction form
    461,758.19/637,442.28 = 268,128.18/x
  3. Step 3: Cross multiply
    461,758.19x = 637,442.28 × 268,128.18
  4. Step 4: Simplify right side
    461,758.19x = 170,916,238,391.45
  5. Step 5: Solve for x
    x = 170,916,238,391.45/461,758.19
  6. Step 6: Final answer
    x = 370,142.30

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1.5x scale

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.