Home / 313,966.40-470,949.60-166,510.40

Finding the Fourth Proportional to 313,966.40, 470,949.60 and 166,510.40

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Solution

The fourth proportional to 313,966.40, 470,949.60 and 166,510.40 is: 249,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,966.40 : 470,949.60 = 166,510.40 : x
  2. Step 2: Convert to fraction form
    313,966.40/470,949.60 = 166,510.40/x
  3. Step 3: Cross multiply
    313,966.40x = 470,949.60 × 166,510.40
  4. Step 4: Simplify right side
    313,966.40x = 78,418,006,275.84
  5. Step 5: Solve for x
    x = 78,418,006,275.84/313,966.40
  6. Step 6: Final answer
    x = 249,765.60

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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.