Home / 279,475.08-385,675.50-152,150.64

Finding the Fourth Proportional to 279,475.08, 385,675.50 and 152,150.64

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Solution

The fourth proportional to 279,475.08, 385,675.50 and 152,150.64 is: 209,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,475.08 : 385,675.50 = 152,150.64 : x
  2. Step 2: Convert to fraction form
    279,475.08/385,675.50 = 152,150.64/x
  3. Step 3: Cross multiply
    279,475.08x = 385,675.50 × 152,150.64
  4. Step 4: Simplify right side
    279,475.08x = 58,680,774,157.32
  5. Step 5: Solve for x
    x = 58,680,774,157.32/279,475.08
  6. Step 6: Final answer
    x = 209,967.82

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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.