Home / 419,068.04-578,313.89-228,082.79

Finding the Fourth Proportional to 419,068.04, 578,313.89 and 228,082.79

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Solution

The fourth proportional to 419,068.04, 578,313.89 and 228,082.79 is: 314,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,068.04 : 578,313.89 = 228,082.79 : x
  2. Step 2: Convert to fraction form
    419,068.04/578,313.89 = 228,082.79/x
  3. Step 3: Cross multiply
    419,068.04x = 578,313.89 × 228,082.79
  4. Step 4: Simplify right side
    419,068.04x = 131,903,445,832.32
  5. Step 5: Solve for x
    x = 131,903,445,832.32/419,068.04
  6. Step 6: Final answer
    x = 314,754.25

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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.