Home / 492,328.23-738,571.15-208,021.53

Finding the Fourth Proportional to 492,328.23, 738,571.15 and 208,021.53

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Solution

The fourth proportional to 492,328.23, 738,571.15 and 208,021.53 is: 312,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,328.23 : 738,571.15 = 208,021.53 : x
  2. Step 2: Convert to fraction form
    492,328.23/738,571.15 = 208,021.53/x
  3. Step 3: Cross multiply
    492,328.23x = 738,571.15 × 208,021.53
  4. Step 4: Simplify right side
    492,328.23x = 153,638,700,116.81
  5. Step 5: Solve for x
    x = 153,638,700,116.81/492,328.23
  6. Step 6: Final answer
    x = 312,065.59

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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.