Home / 205,030.60-307,545.90-64,832.20

Finding the Fourth Proportional to 205,030.60, 307,545.90 and 64,832.20

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Solution

The fourth proportional to 205,030.60, 307,545.90 and 64,832.20 is: 97,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,030.60 : 307,545.90 = 64,832.20 : x
  2. Step 2: Convert to fraction form
    205,030.60/307,545.90 = 64,832.20/x
  3. Step 3: Cross multiply
    205,030.60x = 307,545.90 × 64,832.20
  4. Step 4: Simplify right side
    205,030.60x = 19,938,877,297.98
  5. Step 5: Solve for x
    x = 19,938,877,297.98/205,030.60
  6. Step 6: Final answer
    x = 97,248.30

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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.