Home / 372,077.60-513,461.04-202,316

Finding the Fourth Proportional to 372,077.60, 513,461.04 and 202,316

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Solution

The fourth proportional to 372,077.60, 513,461.04 and 202,316 is: 279,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,077.60 : 513,461.04 = 202,316 : x
  2. Step 2: Convert to fraction form
    372,077.60/513,461.04 = 202,316/x
  3. Step 3: Cross multiply
    372,077.60x = 513,461.04 × 202,316
  4. Step 4: Simplify right side
    372,077.60x = 103,881,383,768.64
  5. Step 5: Solve for x
    x = 103,881,383,768.64/372,077.60
  6. Step 6: Final answer
    x = 279,192.79

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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.