Home / 227,984.16-314,728.80-160,145.28

Finding the Fourth Proportional to 227,984.16, 314,728.80 and 160,145.28

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Solution

The fourth proportional to 227,984.16, 314,728.80 and 160,145.28 is: 221,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,984.16 : 314,728.80 = 160,145.28 : x
  2. Step 2: Convert to fraction form
    227,984.16/314,728.80 = 160,145.28/x
  3. Step 3: Cross multiply
    227,984.16x = 314,728.80 × 160,145.28
  4. Step 4: Simplify right side
    227,984.16x = 50,402,331,800.06
  5. Step 5: Solve for x
    x = 50,402,331,800.06/227,984.16
  6. Step 6: Final answer
    x = 221,078.22

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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.