Home / 372,985.56-514,712.88-203,216.04

Finding the Fourth Proportional to 372,985.56, 514,712.88 and 203,216.04

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Solution

The fourth proportional to 372,985.56, 514,712.88 and 203,216.04 is: 280,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,985.56 : 514,712.88 = 203,216.04 : x
  2. Step 2: Convert to fraction form
    372,985.56/514,712.88 = 203,216.04/x
  3. Step 3: Cross multiply
    372,985.56x = 514,712.88 × 203,216.04
  4. Step 4: Simplify right side
    372,985.56x = 104,597,913,210.60
  5. Step 5: Solve for x
    x = 104,597,913,210.60/372,985.56
  6. Step 6: Final answer
    x = 280,434.22

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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.