Home / 437,981.40-657,190.80-248,587.20

Finding the Fourth Proportional to 437,981.40, 657,190.80 and 248,587.20

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Solution

The fourth proportional to 437,981.40, 657,190.80 and 248,587.20 is: 373,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,981.40 : 657,190.80 = 248,587.20 : x
  2. Step 2: Convert to fraction form
    437,981.40/657,190.80 = 248,587.20/x
  3. Step 3: Cross multiply
    437,981.40x = 657,190.80 × 248,587.20
  4. Step 4: Simplify right side
    437,981.40x = 163,369,220,837.76
  5. Step 5: Solve for x
    x = 163,369,220,837.76/437,981.40
  6. Step 6: Final answer
    x = 373,004.93

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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.