Home / 229,688.08-317,066.76-215,339.92

Finding the Fourth Proportional to 229,688.08, 317,066.76 and 215,339.92

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Solution

The fourth proportional to 229,688.08, 317,066.76 and 215,339.92 is: 297,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,688.08 : 317,066.76 = 215,339.92 : x
  2. Step 2: Convert to fraction form
    229,688.08/317,066.76 = 215,339.92/x
  3. Step 3: Cross multiply
    229,688.08x = 317,066.76 × 215,339.92
  4. Step 4: Simplify right side
    229,688.08x = 68,277,130,733.06
  5. Step 5: Solve for x
    x = 68,277,130,733.06/229,688.08
  6. Step 6: Final answer
    x = 297,260.23

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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.