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Finding the Fourth Proportional to 228,159.70, 314,211.81 and 223,275.22

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Solution

The fourth proportional to 228,159.70, 314,211.81 and 223,275.22 is: 307,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,159.70 : 314,211.81 = 223,275.22 : x
  2. Step 2: Convert to fraction form
    228,159.70/314,211.81 = 223,275.22/x
  3. Step 3: Cross multiply
    228,159.70x = 314,211.81 × 223,275.22
  4. Step 4: Simplify right side
    228,159.70x = 70,155,711,004.35
  5. Step 5: Solve for x
    x = 70,155,711,004.35/228,159.70
  6. Step 6: Final answer
    x = 307,485.11

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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.