Home / 208,340.04-287,494.33-122,302.51

Finding the Fourth Proportional to 208,340.04, 287,494.33 and 122,302.51

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Solution

The fourth proportional to 208,340.04, 287,494.33 and 122,302.51 is: 168,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,340.04 : 287,494.33 = 122,302.51 : x
  2. Step 2: Convert to fraction form
    208,340.04/287,494.33 = 122,302.51/x
  3. Step 3: Cross multiply
    208,340.04x = 287,494.33 × 122,302.51
  4. Step 4: Simplify right side
    208,340.04x = 35,161,278,169.77
  5. Step 5: Solve for x
    x = 35,161,278,169.77/208,340.04
  6. Step 6: Final answer
    x = 168,768.70

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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.