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Finding the Fourth Proportional to 288,179.63, 432,271.87 and 101,191.13

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Solution

The fourth proportional to 288,179.63, 432,271.87 and 101,191.13 is: 151,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,179.63 : 432,271.87 = 101,191.13 : x
  2. Step 2: Convert to fraction form
    288,179.63/432,271.87 = 101,191.13/x
  3. Step 3: Cross multiply
    288,179.63x = 432,271.87 × 101,191.13
  4. Step 4: Simplify right side
    288,179.63x = 43,742,076,578.18
  5. Step 5: Solve for x
    x = 43,742,076,578.18/288,179.63
  6. Step 6: Final answer
    x = 151,787.54

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1.5x scale

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.