Home / 407,154.87-561,941.08-225,925.16

Finding the Fourth Proportional to 407,154.87, 561,941.08 and 225,925.16

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Solution

The fourth proportional to 407,154.87, 561,941.08 and 225,925.16 is: 311,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,154.87 : 561,941.08 = 225,925.16 : x
  2. Step 2: Convert to fraction form
    407,154.87/561,941.08 = 225,925.16/x
  3. Step 3: Cross multiply
    407,154.87x = 561,941.08 × 225,925.16
  4. Step 4: Simplify right side
    407,154.87x = 126,956,628,409.57
  5. Step 5: Solve for x
    x = 126,956,628,409.57/407,154.87
  6. Step 6: Final answer
    x = 311,814.10

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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.