Home / 279,619.64-385,875.04-152,295.24

Finding the Fourth Proportional to 279,619.64, 385,875.04 and 152,295.24

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Solution

The fourth proportional to 279,619.64, 385,875.04 and 152,295.24 is: 210,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,619.64 : 385,875.04 = 152,295.24 : x
  2. Step 2: Convert to fraction form
    279,619.64/385,875.04 = 152,295.24/x
  3. Step 3: Cross multiply
    279,619.64x = 385,875.04 × 152,295.24
  4. Step 4: Simplify right side
    279,619.64x = 58,766,931,826.81
  5. Step 5: Solve for x
    x = 58,766,931,826.81/279,619.64
  6. Step 6: Final answer
    x = 210,167.40

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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.