Home / 358,459.02-494,562.11-203,384.66

Finding the Fourth Proportional to 358,459.02, 494,562.11 and 203,384.66

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Solution

The fourth proportional to 358,459.02, 494,562.11 and 203,384.66 is: 280,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,459.02 : 494,562.11 = 203,384.66 : x
  2. Step 2: Convert to fraction form
    358,459.02/494,562.11 = 203,384.66/x
  3. Step 3: Cross multiply
    358,459.02x = 494,562.11 × 203,384.66
  4. Step 4: Simplify right side
    358,459.02x = 100,586,343,101.50
  5. Step 5: Solve for x
    x = 100,586,343,101.50/358,459.02
  6. Step 6: Final answer
    x = 280,607.65

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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.