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Finding the Fourth Proportional to 162,017.40, 243,026.10 and 155,456.40

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Solution

The fourth proportional to 162,017.40, 243,026.10 and 155,456.40 is: 233,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017.40 : 243,026.10 = 155,456.40 : x
  2. Step 2: Convert to fraction form
    162,017.40/243,026.10 = 155,456.40/x
  3. Step 3: Cross multiply
    162,017.40x = 243,026.10 × 155,456.40
  4. Step 4: Simplify right side
    162,017.40x = 37,779,962,612.04
  5. Step 5: Solve for x
    x = 37,779,962,612.04/162,017.40
  6. Step 6: Final answer
    x = 233,184.60

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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.