Home / 253,435.03-349,166.80-208,041.11

Finding the Fourth Proportional to 253,435.03, 349,166.80 and 208,041.11

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Solution

The fourth proportional to 253,435.03, 349,166.80 and 208,041.11 is: 286,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,435.03 : 349,166.80 = 208,041.11 : x
  2. Step 2: Convert to fraction form
    253,435.03/349,166.80 = 208,041.11/x
  3. Step 3: Cross multiply
    253,435.03x = 349,166.80 × 208,041.11
  4. Step 4: Simplify right side
    253,435.03x = 72,641,048,470.74
  5. Step 5: Solve for x
    x = 72,641,048,470.74/253,435.03
  6. Step 6: Final answer
    x = 286,625.92

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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.