Home / 205,030.40-307,545.60-202,956.80

Finding the Fourth Proportional to 205,030.40, 307,545.60 and 202,956.80

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Solution

The fourth proportional to 205,030.40, 307,545.60 and 202,956.80 is: 304,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,030.40 : 307,545.60 = 202,956.80 : x
  2. Step 2: Convert to fraction form
    205,030.40/307,545.60 = 202,956.80/x
  3. Step 3: Cross multiply
    205,030.40x = 307,545.60 × 202,956.80
  4. Step 4: Simplify right side
    205,030.40x = 62,418,470,830.08
  5. Step 5: Solve for x
    x = 62,418,470,830.08/205,030.40
  6. Step 6: Final answer
    x = 304,435.20

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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.