Home / 370,627.85-555,559.97-145,897.20

Finding the Fourth Proportional to 370,627.85, 555,559.97 and 145,897.20

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Solution

The fourth proportional to 370,627.85, 555,559.97 and 145,897.20 is: 218,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,627.85 : 555,559.97 = 145,897.20 : x
  2. Step 2: Convert to fraction form
    370,627.85/555,559.97 = 145,897.20/x
  3. Step 3: Cross multiply
    370,627.85x = 555,559.97 × 145,897.20
  4. Step 4: Simplify right side
    370,627.85x = 81,054,643,325.60
  5. Step 5: Solve for x
    x = 81,054,643,325.60/370,627.85
  6. Step 6: Final answer
    x = 218,695.50

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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.