Home / 438,795.90-657,999.45-202,211.10

Finding the Fourth Proportional to 438,795.90, 657,999.45 and 202,211.10

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Solution

The fourth proportional to 438,795.90, 657,999.45 and 202,211.10 is: 303,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,795.90 : 657,999.45 = 202,211.10 : x
  2. Step 2: Convert to fraction form
    438,795.90/657,999.45 = 202,211.10/x
  3. Step 3: Cross multiply
    438,795.90x = 657,999.45 × 202,211.10
  4. Step 4: Simplify right side
    438,795.90x = 133,054,792,583.90
  5. Step 5: Solve for x
    x = 133,054,792,583.90/438,795.90
  6. Step 6: Final answer
    x = 303,227.06

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1.5x scale

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.