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Finding the Fourth Proportional to 304,555.32, 456,831.54 and 203,139

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Solution

The fourth proportional to 304,555.32, 456,831.54 and 203,139 is: 304,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,555.32 : 456,831.54 = 203,139 : x
  2. Step 2: Convert to fraction form
    304,555.32/456,831.54 = 203,139/x
  3. Step 3: Cross multiply
    304,555.32x = 456,831.54 × 203,139
  4. Step 4: Simplify right side
    304,555.32x = 92,800,302,204.06
  5. Step 5: Solve for x
    x = 92,800,302,204.06/304,555.32
  6. Step 6: Final answer
    x = 304,707.54

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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.