Home / 419,035.98-578,281.76-228,061.47

Finding the Fourth Proportional to 419,035.98, 578,281.76 and 228,061.47

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Solution

The fourth proportional to 419,035.98, 578,281.76 and 228,061.47 is: 314,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,035.98 : 578,281.76 = 228,061.47 : x
  2. Step 2: Convert to fraction form
    419,035.98/578,281.76 = 228,061.47/x
  3. Step 3: Cross multiply
    419,035.98x = 578,281.76 × 228,061.47
  4. Step 4: Simplify right side
    419,035.98x = 131,883,788,259.79
  5. Step 5: Solve for x
    x = 131,883,788,259.79/419,035.98
  6. Step 6: Final answer
    x = 314,731.42

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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.