Home / 350,087.60-524,440.20-209,428.40

Finding the Fourth Proportional to 350,087.60, 524,440.20 and 209,428.40

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Solution

The fourth proportional to 350,087.60, 524,440.20 and 209,428.40 is: 313,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,087.60 : 524,440.20 = 209,428.40 : x
  2. Step 2: Convert to fraction form
    350,087.60/524,440.20 = 209,428.40/x
  3. Step 3: Cross multiply
    350,087.60x = 524,440.20 × 209,428.40
  4. Step 4: Simplify right side
    350,087.60x = 109,832,671,981.68
  5. Step 5: Solve for x
    x = 109,832,671,981.68/350,087.60
  6. Step 6: Final answer
    x = 313,729.11

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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.