Home / 366,947.02-550,471.53-130,233.40

Finding the Fourth Proportional to 366,947.02, 550,471.53 and 130,233.40

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Solution

The fourth proportional to 366,947.02, 550,471.53 and 130,233.40 is: 195,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,947.02 : 550,471.53 = 130,233.40 : x
  2. Step 2: Convert to fraction form
    366,947.02/550,471.53 = 130,233.40/x
  3. Step 3: Cross multiply
    366,947.02x = 550,471.53 × 130,233.40
  4. Step 4: Simplify right side
    366,947.02x = 71,689,778,955.10
  5. Step 5: Solve for x
    x = 71,689,778,955.10/366,947.02
  6. Step 6: Final answer
    x = 195,368.20

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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.