Home / 207,477.18-285,715.89-180,240.84

Finding the Fourth Proportional to 207,477.18, 285,715.89 and 180,240.84

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Solution

The fourth proportional to 207,477.18, 285,715.89 and 180,240.84 is: 248,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,477.18 : 285,715.89 = 180,240.84 : x
  2. Step 2: Convert to fraction form
    207,477.18/285,715.89 = 180,240.84/x
  3. Step 3: Cross multiply
    207,477.18x = 285,715.89 × 180,240.84
  4. Step 4: Simplify right side
    207,477.18x = 51,497,672,014.95
  5. Step 5: Solve for x
    x = 51,497,672,014.95/207,477.18
  6. Step 6: Final answer
    x = 248,208.85

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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.