Home / 242,285.86-363,430.16-215,754.82

Finding the Fourth Proportional to 242,285.86, 363,430.16 and 215,754.82

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Solution

The fourth proportional to 242,285.86, 363,430.16 and 215,754.82 is: 323,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,285.86 : 363,430.16 = 215,754.82 : x
  2. Step 2: Convert to fraction form
    242,285.86/363,430.16 = 215,754.82/x
  3. Step 3: Cross multiply
    242,285.86x = 363,430.16 × 215,754.82
  4. Step 4: Simplify right side
    242,285.86x = 78,411,808,753.37
  5. Step 5: Solve for x
    x = 78,411,808,753.37/242,285.86
  6. Step 6: Final answer
    x = 323,633.45

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1.5x scale

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.