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Finding the Fourth Proportional to 295,547.70, 443,321.55 and 202,235.70

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Solution

The fourth proportional to 295,547.70, 443,321.55 and 202,235.70 is: 303,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,547.70 : 443,321.55 = 202,235.70 : x
  2. Step 2: Convert to fraction form
    295,547.70/443,321.55 = 202,235.70/x
  3. Step 3: Cross multiply
    295,547.70x = 443,321.55 × 202,235.70
  4. Step 4: Simplify right side
    295,547.70x = 89,655,443,989.34
  5. Step 5: Solve for x
    x = 89,655,443,989.34/295,547.70
  6. Step 6: Final answer
    x = 303,353.55

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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.