Home / 525,448.18-788,283.02-170,434.59

Finding the Fourth Proportional to 525,448.18, 788,283.02 and 170,434.59

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Solution

The fourth proportional to 525,448.18, 788,283.02 and 170,434.59 is: 255,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,448.18 : 788,283.02 = 170,434.59 : x
  2. Step 2: Convert to fraction form
    525,448.18/788,283.02 = 170,434.59/x
  3. Step 3: Cross multiply
    525,448.18x = 788,283.02 × 170,434.59
  4. Step 4: Simplify right side
    525,448.18x = 134,350,693,317.66
  5. Step 5: Solve for x
    x = 134,350,693,317.66/525,448.18
  6. Step 6: Final answer
    x = 255,687.81

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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.