Home / 400,292.04-552,312.59-239,115.54

Finding the Fourth Proportional to 400,292.04, 552,312.59 and 239,115.54

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Solution

The fourth proportional to 400,292.04, 552,312.59 and 239,115.54 is: 329,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,292.04 : 552,312.59 = 239,115.54 : x
  2. Step 2: Convert to fraction form
    400,292.04/552,312.59 = 239,115.54/x
  3. Step 3: Cross multiply
    400,292.04x = 552,312.59 × 239,115.54
  4. Step 4: Simplify right side
    400,292.04x = 132,066,522,011.07
  5. Step 5: Solve for x
    x = 132,066,522,011.07/400,292.04
  6. Step 6: Final answer
    x = 329,925.43

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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.