Home / 289,031.02-433,612.41-155,908.33

Finding the Fourth Proportional to 289,031.02, 433,612.41 and 155,908.33

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Solution

The fourth proportional to 289,031.02, 433,612.41 and 155,908.33 is: 233,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,031.02 : 433,612.41 = 155,908.33 : x
  2. Step 2: Convert to fraction form
    289,031.02/433,612.41 = 155,908.33/x
  3. Step 3: Cross multiply
    289,031.02x = 433,612.41 × 155,908.33
  4. Step 4: Simplify right side
    289,031.02x = 67,603,786,710.38
  5. Step 5: Solve for x
    x = 67,603,786,710.38/289,031.02
  6. Step 6: Final answer
    x = 233,898.03

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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.