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Finding the Fourth Proportional to 370,018.10, 555,027.15 and 314,905.70

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Solution

The fourth proportional to 370,018.10, 555,027.15 and 314,905.70 is: 472,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,018.10 : 555,027.15 = 314,905.70 : x
  2. Step 2: Convert to fraction form
    370,018.10/555,027.15 = 314,905.70/x
  3. Step 3: Cross multiply
    370,018.10x = 555,027.15 × 314,905.70
  4. Step 4: Simplify right side
    370,018.10x = 174,781,213,189.76
  5. Step 5: Solve for x
    x = 174,781,213,189.76/370,018.10
  6. Step 6: Final answer
    x = 472,358.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.