Home / 372,898.36-514,561.38-209,528.92

Finding the Fourth Proportional to 372,898.36, 514,561.38 and 209,528.92

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Solution

The fourth proportional to 372,898.36, 514,561.38 and 209,528.92 is: 289,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,898.36 : 514,561.38 = 209,528.92 : x
  2. Step 2: Convert to fraction form
    372,898.36/514,561.38 = 209,528.92/x
  3. Step 3: Cross multiply
    372,898.36x = 514,561.38 × 209,528.92
  4. Step 4: Simplify right side
    372,898.36x = 107,815,490,225.11
  5. Step 5: Solve for x
    x = 107,815,490,225.11/372,898.36
  6. Step 6: Final answer
    x = 289,128.36

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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.