Home / 229,948.51-317,328.69-129,346.51

Finding the Fourth Proportional to 229,948.51, 317,328.69 and 129,346.51

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Solution

The fourth proportional to 229,948.51, 317,328.69 and 129,346.51 is: 178,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,948.51 : 317,328.69 = 129,346.51 : x
  2. Step 2: Convert to fraction form
    229,948.51/317,328.69 = 129,346.51/x
  3. Step 3: Cross multiply
    229,948.51x = 317,328.69 × 129,346.51
  4. Step 4: Simplify right side
    229,948.51x = 41,045,358,574.37
  5. Step 5: Solve for x
    x = 41,045,358,574.37/229,948.51
  6. Step 6: Final answer
    x = 178,498.04

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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.