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Finding the Fourth Proportional to 366,779.70, 550,169.55 and 130,146.30

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Solution

The fourth proportional to 366,779.70, 550,169.55 and 130,146.30 is: 195,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,779.70 : 550,169.55 = 130,146.30 : x
  2. Step 2: Convert to fraction form
    366,779.70/550,169.55 = 130,146.30/x
  3. Step 3: Cross multiply
    366,779.70x = 550,169.55 × 130,146.30
  4. Step 4: Simplify right side
    366,779.70x = 71,602,531,305.17
  5. Step 5: Solve for x
    x = 71,602,531,305.17/366,779.70
  6. Step 6: Final answer
    x = 195,219.45

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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.