Home / 284,790.06-392,994.59-157,457.25

Finding the Fourth Proportional to 284,790.06, 392,994.59 and 157,457.25

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Solution

The fourth proportional to 284,790.06, 392,994.59 and 157,457.25 is: 217,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,790.06 : 392,994.59 = 157,457.25 : x
  2. Step 2: Convert to fraction form
    284,790.06/392,994.59 = 157,457.25/x
  3. Step 3: Cross multiply
    284,790.06x = 392,994.59 × 157,457.25
  4. Step 4: Simplify right side
    284,790.06x = 61,879,846,618.99
  5. Step 5: Solve for x
    x = 61,879,846,618.99/284,790.06
  6. Step 6: Final answer
    x = 217,282.33

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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.