Home / 372,816.48-514,499.64-211,666.20

Finding the Fourth Proportional to 372,816.48, 514,499.64 and 211,666.20

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Solution

The fourth proportional to 372,816.48, 514,499.64 and 211,666.20 is: 292,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,816.48 : 514,499.64 = 211,666.20 : x
  2. Step 2: Convert to fraction form
    372,816.48/514,499.64 = 211,666.20/x
  3. Step 3: Cross multiply
    372,816.48x = 514,499.64 × 211,666.20
  4. Step 4: Simplify right side
    372,816.48x = 108,902,183,700.17
  5. Step 5: Solve for x
    x = 108,902,183,700.17/372,816.48
  6. Step 6: Final answer
    x = 292,106.68

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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.