Home / 282,017.25-389,182.70-152,955.21

Finding the Fourth Proportional to 282,017.25, 389,182.70 and 152,955.21

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Solution

The fourth proportional to 282,017.25, 389,182.70 and 152,955.21 is: 211,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,017.25 : 389,182.70 = 152,955.21 : x
  2. Step 2: Convert to fraction form
    282,017.25/389,182.70 = 152,955.21/x
  3. Step 3: Cross multiply
    282,017.25x = 389,182.70 × 152,955.21
  4. Step 4: Simplify right side
    282,017.25x = 59,527,520,842.09
  5. Step 5: Solve for x
    x = 59,527,520,842.09/282,017.25
  6. Step 6: Final answer
    x = 211,077.59

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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.