Home / 213,065.01-319,293-156,461.13

Finding the Fourth Proportional to 213,065.01, 319,293 and 156,461.13

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Solution

The fourth proportional to 213,065.01, 319,293 and 156,461.13 is: 234,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,065.01 : 319,293 = 156,461.13 : x
  2. Step 2: Convert to fraction form
    213,065.01/319,293 = 156,461.13/x
  3. Step 3: Cross multiply
    213,065.01x = 319,293 × 156,461.13
  4. Step 4: Simplify right side
    213,065.01x = 49,956,943,581.09
  5. Step 5: Solve for x
    x = 49,956,943,581.09/213,065.01
  6. Step 6: Final answer
    x = 234,468.08

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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.