Home / 331,545.02-497,320.98-265,405.58

Finding the Fourth Proportional to 331,545.02, 497,320.98 and 265,405.58

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Solution

The fourth proportional to 331,545.02, 497,320.98 and 265,405.58 is: 398,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,545.02 : 497,320.98 = 265,405.58 : x
  2. Step 2: Convert to fraction form
    331,545.02/497,320.98 = 265,405.58/x
  3. Step 3: Cross multiply
    331,545.02x = 497,320.98 × 265,405.58
  4. Step 4: Simplify right side
    331,545.02x = 131,991,763,143.07
  5. Step 5: Solve for x
    x = 131,991,763,143.07/331,545.02
  6. Step 6: Final answer
    x = 398,111.13

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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.