Home / 393,424.02-589,999.95-243,434.70

Finding the Fourth Proportional to 393,424.02, 589,999.95 and 243,434.70

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Solution

The fourth proportional to 393,424.02, 589,999.95 and 243,434.70 is: 365,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,424.02 : 589,999.95 = 243,434.70 : x
  2. Step 2: Convert to fraction form
    393,424.02/589,999.95 = 243,434.70/x
  3. Step 3: Cross multiply
    393,424.02x = 589,999.95 × 243,434.70
  4. Step 4: Simplify right side
    393,424.02x = 143,626,460,828.27
  5. Step 5: Solve for x
    x = 143,626,460,828.27/393,424.02
  6. Step 6: Final answer
    x = 365,067.85

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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.