Home / 239,545.36-330,559.05-148,899

Finding the Fourth Proportional to 239,545.36, 330,559.05 and 148,899

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Solution

The fourth proportional to 239,545.36, 330,559.05 and 148,899 is: 205,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,545.36 : 330,559.05 = 148,899 : x
  2. Step 2: Convert to fraction form
    239,545.36/330,559.05 = 148,899/x
  3. Step 3: Cross multiply
    239,545.36x = 330,559.05 × 148,899
  4. Step 4: Simplify right side
    239,545.36x = 49,219,911,985.95
  5. Step 5: Solve for x
    x = 49,219,911,985.95/239,545.36
  6. Step 6: Final answer
    x = 205,472.20

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1.5x scale

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.