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Finding the Fourth Proportional to 161,330.40, 241,995.60 and 155,206.80

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Solution

The fourth proportional to 161,330.40, 241,995.60 and 155,206.80 is: 232,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,330.40 : 241,995.60 = 155,206.80 : x
  2. Step 2: Convert to fraction form
    161,330.40/241,995.60 = 155,206.80/x
  3. Step 3: Cross multiply
    161,330.40x = 241,995.60 × 155,206.80
  4. Step 4: Simplify right side
    161,330.40x = 37,559,362,690.08
  5. Step 5: Solve for x
    x = 37,559,362,690.08/161,330.40
  6. Step 6: Final answer
    x = 232,810.20

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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.