Home / 205,051.16-307,574.82-64,809.80

Finding the Fourth Proportional to 205,051.16, 307,574.82 and 64,809.80

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Solution

The fourth proportional to 205,051.16, 307,574.82 and 64,809.80 is: 97,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,051.16 : 307,574.82 = 64,809.80 : x
  2. Step 2: Convert to fraction form
    205,051.16/307,574.82 = 64,809.80/x
  3. Step 3: Cross multiply
    205,051.16x = 307,574.82 × 64,809.80
  4. Step 4: Simplify right side
    205,051.16x = 19,933,862,569.24
  5. Step 5: Solve for x
    x = 19,933,862,569.24/205,051.16
  6. Step 6: Final answer
    x = 97,214.09

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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.