Home / 305,285.02-457,604.34-102,688.26

Finding the Fourth Proportional to 305,285.02, 457,604.34 and 102,688.26

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Solution

The fourth proportional to 305,285.02, 457,604.34 and 102,688.26 is: 153,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,285.02 : 457,604.34 = 102,688.26 : x
  2. Step 2: Convert to fraction form
    305,285.02/457,604.34 = 102,688.26/x
  3. Step 3: Cross multiply
    305,285.02x = 457,604.34 × 102,688.26
  4. Step 4: Simplify right side
    305,285.02x = 46,990,592,929.61
  5. Step 5: Solve for x
    x = 46,990,592,929.61/305,285.02
  6. Step 6: Final answer
    x = 153,923.68

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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.