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Finding the Fourth Proportional to 367,341.40, 551,012.10 and 260,032.60

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Solution

The fourth proportional to 367,341.40, 551,012.10 and 260,032.60 is: 390,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,341.40 : 551,012.10 = 260,032.60 : x
  2. Step 2: Convert to fraction form
    367,341.40/551,012.10 = 260,032.60/x
  3. Step 3: Cross multiply
    367,341.40x = 551,012.10 × 260,032.60
  4. Step 4: Simplify right side
    367,341.40x = 143,281,108,994.46
  5. Step 5: Solve for x
    x = 143,281,108,994.46/367,341.40
  6. Step 6: Final answer
    x = 390,048.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.