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Finding the Fourth Proportional to 370,430.60, 555,905.10 and 160,219.40

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Solution

The fourth proportional to 370,430.60, 555,905.10 and 160,219.40 is: 240,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,430.60 : 555,905.10 = 160,219.40 : x
  2. Step 2: Convert to fraction form
    370,430.60/555,905.10 = 160,219.40/x
  3. Step 3: Cross multiply
    370,430.60x = 555,905.10 × 160,219.40
  4. Step 4: Simplify right side
    370,430.60x = 89,066,781,578.94
  5. Step 5: Solve for x
    x = 89,066,781,578.94/370,430.60
  6. Step 6: Final answer
    x = 240,441.21

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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.