Home / 370,820.20-556,376.10-146,142.40

Finding the Fourth Proportional to 370,820.20, 556,376.10 and 146,142.40

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Solution

The fourth proportional to 370,820.20, 556,376.10 and 146,142.40 is: 219,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,820.20 : 556,376.10 = 146,142.40 : x
  2. Step 2: Convert to fraction form
    370,820.20/556,376.10 = 146,142.40/x
  3. Step 3: Cross multiply
    370,820.20x = 556,376.10 × 146,142.40
  4. Step 4: Simplify right side
    370,820.20x = 81,310,138,556.64
  5. Step 5: Solve for x
    x = 81,310,138,556.64/370,820.20
  6. Step 6: Final answer
    x = 219,271.06

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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.