Home / 306,118.49-459,178.72-92,888.19

Finding the Fourth Proportional to 306,118.49, 459,178.72 and 92,888.19

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Solution

The fourth proportional to 306,118.49, 459,178.72 and 92,888.19 is: 139,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,118.49 : 459,178.72 = 92,888.19 : x
  2. Step 2: Convert to fraction form
    306,118.49/459,178.72 = 92,888.19/x
  3. Step 3: Cross multiply
    306,118.49x = 459,178.72 × 92,888.19
  4. Step 4: Simplify right side
    306,118.49x = 42,652,281,769.03
  5. Step 5: Solve for x
    x = 42,652,281,769.03/306,118.49
  6. Step 6: Final answer
    x = 139,332.59

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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.