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Finding the Fourth Proportional to 374,303.07, 561,833.07 and 331,880.13

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Solution

The fourth proportional to 374,303.07, 561,833.07 and 331,880.13 is: 498,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,303.07 : 561,833.07 = 331,880.13 : x
  2. Step 2: Convert to fraction form
    374,303.07/561,833.07 = 331,880.13/x
  3. Step 3: Cross multiply
    374,303.07x = 561,833.07 × 331,880.13
  4. Step 4: Simplify right side
    374,303.07x = 186,461,232,309.90
  5. Step 5: Solve for x
    x = 186,461,232,309.90/374,303.07
  6. Step 6: Final answer
    x = 498,155.77

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1.5x scale

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.