Home / 324,332.16-447,886.32-306,661.20

Finding the Fourth Proportional to 324,332.16, 447,886.32 and 306,661.20

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Solution

The fourth proportional to 324,332.16, 447,886.32 and 306,661.20 is: 423,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,332.16 : 447,886.32 = 306,661.20 : x
  2. Step 2: Convert to fraction form
    324,332.16/447,886.32 = 306,661.20/x
  3. Step 3: Cross multiply
    324,332.16x = 447,886.32 × 306,661.20
  4. Step 4: Simplify right side
    324,332.16x = 137,349,356,354.78
  5. Step 5: Solve for x
    x = 137,349,356,354.78/324,332.16
  6. Step 6: Final answer
    x = 423,483.62

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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.