Home / 398,603.03-597,953.14-145,844.15

Finding the Fourth Proportional to 398,603.03, 597,953.14 and 145,844.15

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Solution

The fourth proportional to 398,603.03, 597,953.14 and 145,844.15 is: 218,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,603.03 : 597,953.14 = 145,844.15 : x
  2. Step 2: Convert to fraction form
    398,603.03/597,953.14 = 145,844.15/x
  3. Step 3: Cross multiply
    398,603.03x = 597,953.14 × 145,844.15
  4. Step 4: Simplify right side
    398,603.03x = 87,207,964,088.75
  5. Step 5: Solve for x
    x = 87,207,964,088.75/398,603.03
  6. Step 6: Final answer
    x = 218,784.00

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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.