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Finding the Fourth Proportional to 340,890.40, 511,335.60 and 175,002.40

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Solution

The fourth proportional to 340,890.40, 511,335.60 and 175,002.40 is: 262,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,890.40 : 511,335.60 = 175,002.40 : x
  2. Step 2: Convert to fraction form
    340,890.40/511,335.60 = 175,002.40/x
  3. Step 3: Cross multiply
    340,890.40x = 511,335.60 × 175,002.40
  4. Step 4: Simplify right side
    340,890.40x = 89,484,957,205.44
  5. Step 5: Solve for x
    x = 89,484,957,205.44/340,890.40
  6. Step 6: Final answer
    x = 262,503.60

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1.5x scale

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.