Home / 372,663.07-514,249.10-211,521.40

Finding the Fourth Proportional to 372,663.07, 514,249.10 and 211,521.40

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Solution

The fourth proportional to 372,663.07, 514,249.10 and 211,521.40 is: 291,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,663.07 : 514,249.10 = 211,521.40 : x
  2. Step 2: Convert to fraction form
    372,663.07/514,249.10 = 211,521.40/x
  3. Step 3: Cross multiply
    372,663.07x = 514,249.10 × 211,521.40
  4. Step 4: Simplify right side
    372,663.07x = 108,774,688,523.13
  5. Step 5: Solve for x
    x = 108,774,688,523.13/372,663.07
  6. Step 6: Final answer
    x = 291,884.81

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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.