Home / 304,729.60-420,522.24-170,598.40

Finding the Fourth Proportional to 304,729.60, 420,522.24 and 170,598.40

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Solution

The fourth proportional to 304,729.60, 420,522.24 and 170,598.40 is: 235,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,729.60 : 420,522.24 = 170,598.40 : x
  2. Step 2: Convert to fraction form
    304,729.60/420,522.24 = 170,598.40/x
  3. Step 3: Cross multiply
    304,729.60x = 420,522.24 × 170,598.40
  4. Step 4: Simplify right side
    304,729.60x = 71,740,421,308.42
  5. Step 5: Solve for x
    x = 71,740,421,308.42/304,729.60
  6. Step 6: Final answer
    x = 235,423.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.