Home / 448,233.60-671,428.80-308,150.40

Finding the Fourth Proportional to 448,233.60, 671,428.80 and 308,150.40

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Solution

The fourth proportional to 448,233.60, 671,428.80 and 308,150.40 is: 461,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,233.60 : 671,428.80 = 308,150.40 : x
  2. Step 2: Convert to fraction form
    448,233.60/671,428.80 = 308,150.40/x
  3. Step 3: Cross multiply
    448,233.60x = 671,428.80 × 308,150.40
  4. Step 4: Simplify right side
    448,233.60x = 206,901,053,291.52
  5. Step 5: Solve for x
    x = 206,901,053,291.52/448,233.60
  6. Step 6: Final answer
    x = 461,592.02

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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.