Home / 519,947.81-779,924.55-160,114.22

Finding the Fourth Proportional to 519,947.81, 779,924.55 and 160,114.22

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Solution

The fourth proportional to 519,947.81, 779,924.55 and 160,114.22 is: 240,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,947.81 : 779,924.55 = 160,114.22 : x
  2. Step 2: Convert to fraction form
    519,947.81/779,924.55 = 160,114.22/x
  3. Step 3: Cross multiply
    519,947.81x = 779,924.55 × 160,114.22
  4. Step 4: Simplify right side
    519,947.81x = 124,877,010,982.10
  5. Step 5: Solve for x
    x = 124,877,010,982.10/519,947.81
  6. Step 6: Final answer
    x = 240,172.20

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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.