Home / 286,525.95-395,382.02-157,457.64

Finding the Fourth Proportional to 286,525.95, 395,382.02 and 157,457.64

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Solution

The fourth proportional to 286,525.95, 395,382.02 and 157,457.64 is: 217,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,525.95 : 395,382.02 = 157,457.64 : x
  2. Step 2: Convert to fraction form
    286,525.95/395,382.02 = 157,457.64/x
  3. Step 3: Cross multiply
    286,525.95x = 395,382.02 × 157,457.64
  4. Step 4: Simplify right side
    286,525.95x = 62,255,919,767.63
  5. Step 5: Solve for x
    x = 62,255,919,767.63/286,525.95
  6. Step 6: Final answer
    x = 217,278.47

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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.