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Finding the Fourth Proportional to 341,999.60, 512,999.40 and 152,459.60

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Solution

The fourth proportional to 341,999.60, 512,999.40 and 152,459.60 is: 228,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,999.60 : 512,999.40 = 152,459.60 : x
  2. Step 2: Convert to fraction form
    341,999.60/512,999.40 = 152,459.60/x
  3. Step 3: Cross multiply
    341,999.60x = 512,999.40 × 152,459.60
  4. Step 4: Simplify right side
    341,999.60x = 78,211,683,324.24
  5. Step 5: Solve for x
    x = 78,211,683,324.24/341,999.60
  6. Step 6: Final answer
    x = 228,689.40

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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.