Home / 448,034.48-672,071.28-208,373.36

Finding the Fourth Proportional to 448,034.48, 672,071.28 and 208,373.36

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Solution

The fourth proportional to 448,034.48, 672,071.28 and 208,373.36 is: 312,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,034.48 : 672,071.28 = 208,373.36 : x
  2. Step 2: Convert to fraction form
    448,034.48/672,071.28 = 208,373.36/x
  3. Step 3: Cross multiply
    448,034.48x = 672,071.28 × 208,373.36
  4. Step 4: Simplify right side
    448,034.48x = 140,041,750,773.10
  5. Step 5: Solve for x
    x = 140,041,750,773.10/448,034.48
  6. Step 6: Final answer
    x = 312,569.14

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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.