Home / 291,305.24-402,000.18-163,981.16

Finding the Fourth Proportional to 291,305.24, 402,000.18 and 163,981.16

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Solution

The fourth proportional to 291,305.24, 402,000.18 and 163,981.16 is: 226,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,305.24 : 402,000.18 = 163,981.16 : x
  2. Step 2: Convert to fraction form
    291,305.24/402,000.18 = 163,981.16/x
  3. Step 3: Cross multiply
    291,305.24x = 402,000.18 × 163,981.16
  4. Step 4: Simplify right side
    291,305.24x = 65,920,455,836.61
  5. Step 5: Solve for x
    x = 65,920,455,836.61/291,305.24
  6. Step 6: Final answer
    x = 226,293.41

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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.