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Finding the Fourth Proportional to 341,146.80, 511,720.20 and 163,562.40

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Solution

The fourth proportional to 341,146.80, 511,720.20 and 163,562.40 is: 245,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,146.80 : 511,720.20 = 163,562.40 : x
  2. Step 2: Convert to fraction form
    341,146.80/511,720.20 = 163,562.40/x
  3. Step 3: Cross multiply
    341,146.80x = 511,720.20 × 163,562.40
  4. Step 4: Simplify right side
    341,146.80x = 83,698,184,040.48
  5. Step 5: Solve for x
    x = 83,698,184,040.48/341,146.80
  6. Step 6: Final answer
    x = 245,343.60

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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.