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Finding the Fourth Proportional to 370,366.60, 555,594.39 and 130,430.91

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Solution

The fourth proportional to 370,366.60, 555,594.39 and 130,430.91 is: 195,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,366.60 : 555,594.39 = 130,430.91 : x
  2. Step 2: Convert to fraction form
    370,366.60/555,594.39 = 130,430.91/x
  3. Step 3: Cross multiply
    370,366.60x = 555,594.39 × 130,430.91
  4. Step 4: Simplify right side
    370,366.60x = 72,466,681,878.59
  5. Step 5: Solve for x
    x = 72,466,681,878.59/370,366.60
  6. Step 6: Final answer
    x = 195,662.03

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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.