Home / 280,733.32-421,383.80-248,916.12

Finding the Fourth Proportional to 280,733.32, 421,383.80 and 248,916.12

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Solution

The fourth proportional to 280,733.32, 421,383.80 and 248,916.12 is: 373,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,733.32 : 421,383.80 = 248,916.12 : x
  2. Step 2: Convert to fraction form
    280,733.32/421,383.80 = 248,916.12/x
  3. Step 3: Cross multiply
    280,733.32x = 421,383.80 × 248,916.12
  4. Step 4: Simplify right side
    280,733.32x = 104,889,220,526.86
  5. Step 5: Solve for x
    x = 104,889,220,526.86/280,733.32
  6. Step 6: Final answer
    x = 373,625.83

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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.