Home / 284,586.26-392,716.98-155,521.67

Finding the Fourth Proportional to 284,586.26, 392,716.98 and 155,521.67

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Solution

The fourth proportional to 284,586.26, 392,716.98 and 155,521.67 is: 214,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,586.26 : 392,716.98 = 155,521.67 : x
  2. Step 2: Convert to fraction form
    284,586.26/392,716.98 = 155,521.67/x
  3. Step 3: Cross multiply
    284,586.26x = 392,716.98 × 155,521.67
  4. Step 4: Simplify right side
    284,586.26x = 61,075,998,603.37
  5. Step 5: Solve for x
    x = 61,075,998,603.37/284,586.26
  6. Step 6: Final answer
    x = 214,613.31

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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.