Home / 372,501.81-513,995.33-209,166.77

Finding the Fourth Proportional to 372,501.81, 513,995.33 and 209,166.77

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Solution

The fourth proportional to 372,501.81, 513,995.33 and 209,166.77 is: 288,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,501.81 : 513,995.33 = 209,166.77 : x
  2. Step 2: Convert to fraction form
    372,501.81/513,995.33 = 209,166.77/x
  3. Step 3: Cross multiply
    372,501.81x = 513,995.33 × 209,166.77
  4. Step 4: Simplify right side
    372,501.81x = 107,510,744,779.09
  5. Step 5: Solve for x
    x = 107,510,744,779.09/372,501.81
  6. Step 6: Final answer
    x = 288,618.05

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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.