Home / 289,127.61-433,688.79-226,000.80

Finding the Fourth Proportional to 289,127.61, 433,688.79 and 226,000.80

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Solution

The fourth proportional to 289,127.61, 433,688.79 and 226,000.80 is: 338,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,127.61 : 433,688.79 = 226,000.80 : x
  2. Step 2: Convert to fraction form
    289,127.61/433,688.79 = 226,000.80/x
  3. Step 3: Cross multiply
    289,127.61x = 433,688.79 × 226,000.80
  4. Step 4: Simplify right side
    289,127.61x = 98,014,013,491.03
  5. Step 5: Solve for x
    x = 98,014,013,491.03/289,127.61
  6. Step 6: Final answer
    x = 338,999.15

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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.