Home / 372,670.32-514,259.04-211,528.68

Finding the Fourth Proportional to 372,670.32, 514,259.04 and 211,528.68

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Solution

The fourth proportional to 372,670.32, 514,259.04 and 211,528.68 is: 291,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,670.32 : 514,259.04 = 211,528.68 : x
  2. Step 2: Convert to fraction form
    372,670.32/514,259.04 = 211,528.68/x
  3. Step 3: Cross multiply
    372,670.32x = 514,259.04 × 211,528.68
  4. Step 4: Simplify right side
    372,670.32x = 108,780,535,909.27
  5. Step 5: Solve for x
    x = 108,780,535,909.27/372,670.32
  6. Step 6: Final answer
    x = 291,894.82

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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.