Home / 219,482.83-302,881.92-122,686.21

Finding the Fourth Proportional to 219,482.83, 302,881.92 and 122,686.21

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Solution

The fourth proportional to 219,482.83, 302,881.92 and 122,686.21 is: 169,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,482.83 : 302,881.92 = 122,686.21 : x
  2. Step 2: Convert to fraction form
    219,482.83/302,881.92 = 122,686.21/x
  3. Step 3: Cross multiply
    219,482.83x = 302,881.92 × 122,686.21
  4. Step 4: Simplify right side
    219,482.83x = 37,159,434,842.32
  5. Step 5: Solve for x
    x = 37,159,434,842.32/219,482.83
  6. Step 6: Final answer
    x = 169,304.52

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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.