Home / 395,177.40-592,827.86-128,875.98

Finding the Fourth Proportional to 395,177.40, 592,827.86 and 128,875.98

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Solution

The fourth proportional to 395,177.40, 592,827.86 and 128,875.98 is: 193,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,177.40 : 592,827.86 = 128,875.98 : x
  2. Step 2: Convert to fraction form
    395,177.40/592,827.86 = 128,875.98/x
  3. Step 3: Cross multiply
    395,177.40x = 592,827.86 × 128,875.98
  4. Step 4: Simplify right side
    395,177.40x = 76,401,271,428.80
  5. Step 5: Solve for x
    x = 76,401,271,428.80/395,177.40
  6. Step 6: Final answer
    x = 193,334.11

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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.