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Finding the Fourth Proportional to 162,022.40, 243,033.60 and 155,461.40

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Solution

The fourth proportional to 162,022.40, 243,033.60 and 155,461.40 is: 233,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,022.40 : 243,033.60 = 155,461.40 : x
  2. Step 2: Convert to fraction form
    162,022.40/243,033.60 = 155,461.40/x
  3. Step 3: Cross multiply
    162,022.40x = 243,033.60 × 155,461.40
  4. Step 4: Simplify right side
    162,022.40x = 37,782,343,703.04
  5. Step 5: Solve for x
    x = 37,782,343,703.04/162,022.40
  6. Step 6: Final answer
    x = 233,192.10

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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.