Home / 272,420.36-376,125.32-170,487.12

Finding the Fourth Proportional to 272,420.36, 376,125.32 and 170,487.12

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Solution

The fourth proportional to 272,420.36, 376,125.32 and 170,487.12 is: 235,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,420.36 : 376,125.32 = 170,487.12 : x
  2. Step 2: Convert to fraction form
    272,420.36/376,125.32 = 170,487.12/x
  3. Step 3: Cross multiply
    272,420.36x = 376,125.32 × 170,487.12
  4. Step 4: Simplify right side
    272,420.36x = 64,124,522,565.88
  5. Step 5: Solve for x
    x = 64,124,522,565.88/272,420.36
  6. Step 6: Final answer
    x = 235,388.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.