Home / 380,499.12-570,705.48-100,038.24

Finding the Fourth Proportional to 380,499.12, 570,705.48 and 100,038.24

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Solution

The fourth proportional to 380,499.12, 570,705.48 and 100,038.24 is: 150,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,499.12 : 570,705.48 = 100,038.24 : x
  2. Step 2: Convert to fraction form
    380,499.12/570,705.48 = 100,038.24/x
  3. Step 3: Cross multiply
    380,499.12x = 570,705.48 × 100,038.24
  4. Step 4: Simplify right side
    380,499.12x = 57,092,371,777.56
  5. Step 5: Solve for x
    x = 57,092,371,777.56/380,499.12
  6. Step 6: Final answer
    x = 150,046.00

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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.