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Finding the Fourth Proportional to 228,567.48, 341,461.26 and 147,948.72

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Solution

The fourth proportional to 228,567.48, 341,461.26 and 147,948.72 is: 221,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,567.48 : 341,461.26 = 147,948.72 : x
  2. Step 2: Convert to fraction form
    228,567.48/341,461.26 = 147,948.72/x
  3. Step 3: Cross multiply
    228,567.48x = 341,461.26 × 147,948.72
  4. Step 4: Simplify right side
    228,567.48x = 50,518,756,346.59
  5. Step 5: Solve for x
    x = 50,518,756,346.59/228,567.48
  6. Step 6: Final answer
    x = 221,023.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.