Home / 370,146.60-554,442.30-203,740.20

Finding the Fourth Proportional to 370,146.60, 554,442.30 and 203,740.20

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Solution

The fourth proportional to 370,146.60, 554,442.30 and 203,740.20 is: 305,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,146.60 : 554,442.30 = 203,740.20 : x
  2. Step 2: Convert to fraction form
    370,146.60/554,442.30 = 203,740.20/x
  3. Step 3: Cross multiply
    370,146.60x = 554,442.30 × 203,740.20
  4. Step 4: Simplify right side
    370,146.60x = 112,962,185,090.46
  5. Step 5: Solve for x
    x = 112,962,185,090.46/370,146.60
  6. Step 6: Final answer
    x = 305,182.28

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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.