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Finding the Fourth Proportional to 535,903.36, 803,440.32 and 240,208

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Solution

The fourth proportional to 535,903.36, 803,440.32 and 240,208 is: 360,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,903.36 : 803,440.32 = 240,208 : x
  2. Step 2: Convert to fraction form
    535,903.36/803,440.32 = 240,208/x
  3. Step 3: Cross multiply
    535,903.36x = 803,440.32 × 240,208
  4. Step 4: Simplify right side
    535,903.36x = 192,992,792,386.56
  5. Step 5: Solve for x
    x = 192,992,792,386.56/535,903.36
  6. Step 6: Final answer
    x = 360,126.11

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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.