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Finding the Fourth Proportional to 377,152.77, 520,470.83 and 207,386.90

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Solution

The fourth proportional to 377,152.77, 520,470.83 and 207,386.90 is: 286,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,152.77 : 520,470.83 = 207,386.90 : x
  2. Step 2: Convert to fraction form
    377,152.77/520,470.83 = 207,386.90/x
  3. Step 3: Cross multiply
    377,152.77x = 520,470.83 × 207,386.90
  4. Step 4: Simplify right side
    377,152.77x = 107,938,831,842.01
  5. Step 5: Solve for x
    x = 107,938,831,842.01/377,152.77
  6. Step 6: Final answer
    x = 286,193.92

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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.