Home / 256,944.80-385,417.20-162,466.40

Finding the Fourth Proportional to 256,944.80, 385,417.20 and 162,466.40

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Solution

The fourth proportional to 256,944.80, 385,417.20 and 162,466.40 is: 243,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,944.80 : 385,417.20 = 162,466.40 : x
  2. Step 2: Convert to fraction form
    256,944.80/385,417.20 = 162,466.40/x
  3. Step 3: Cross multiply
    256,944.80x = 385,417.20 × 162,466.40
  4. Step 4: Simplify right side
    256,944.80x = 62,617,344,982.08
  5. Step 5: Solve for x
    x = 62,617,344,982.08/256,944.80
  6. Step 6: Final answer
    x = 243,699.60

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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.