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Finding the Fourth Proportional to 228,666.63, 341,368.59 and 213,470.70

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Solution

The fourth proportional to 228,666.63, 341,368.59 and 213,470.70 is: 318,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,666.63 : 341,368.59 = 213,470.70 : x
  2. Step 2: Convert to fraction form
    228,666.63/341,368.59 = 213,470.70/x
  3. Step 3: Cross multiply
    228,666.63x = 341,368.59 × 213,470.70
  4. Step 4: Simplify right side
    228,666.63x = 72,872,190,158.47
  5. Step 5: Solve for x
    x = 72,872,190,158.47/228,666.63
  6. Step 6: Final answer
    x = 318,683.11

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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.