Home / 302,564.77-453,679.14-140,281.47

Finding the Fourth Proportional to 302,564.77, 453,679.14 and 140,281.47

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Solution

The fourth proportional to 302,564.77, 453,679.14 and 140,281.47 is: 210,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.77 : 453,679.14 = 140,281.47 : x
  2. Step 2: Convert to fraction form
    302,564.77/453,679.14 = 140,281.47/x
  3. Step 3: Cross multiply
    302,564.77x = 453,679.14 × 140,281.47
  4. Step 4: Simplify right side
    302,564.77x = 63,642,777,193.59
  5. Step 5: Solve for x
    x = 63,642,777,193.59/302,564.77
  6. Step 6: Final answer
    x = 210,344.31

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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.