Home / 477,243-715,868.82-144,819

Finding the Fourth Proportional to 477,243, 715,868.82 and 144,819

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Solution

The fourth proportional to 477,243, 715,868.82 and 144,819 is: 217,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,243 : 715,868.82 = 144,819 : x
  2. Step 2: Convert to fraction form
    477,243/715,868.82 = 144,819/x
  3. Step 3: Cross multiply
    477,243x = 715,868.82 × 144,819
  4. Step 4: Simplify right side
    477,243x = 103,671,406,643.58
  5. Step 5: Solve for x
    x = 103,671,406,643.58/477,243
  6. Step 6: Final answer
    x = 217,229.81

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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.