Home / 389,327.74-583,987.91-123,088.22

Finding the Fourth Proportional to 389,327.74, 583,987.91 and 123,088.22

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Solution

The fourth proportional to 389,327.74, 583,987.91 and 123,088.22 is: 184,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,327.74 : 583,987.91 = 123,088.22 : x
  2. Step 2: Convert to fraction form
    389,327.74/583,987.91 = 123,088.22/x
  3. Step 3: Cross multiply
    389,327.74x = 583,987.91 × 123,088.22
  4. Step 4: Simplify right side
    389,327.74x = 71,882,031,727.98
  5. Step 5: Solve for x
    x = 71,882,031,727.98/389,327.74
  6. Step 6: Final answer
    x = 184,631.16

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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.