Home / 385,259.02-577,976.02-207,762.10

Finding the Fourth Proportional to 385,259.02, 577,976.02 and 207,762.10

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Solution

The fourth proportional to 385,259.02, 577,976.02 and 207,762.10 is: 311,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,259.02 : 577,976.02 = 207,762.10 : x
  2. Step 2: Convert to fraction form
    385,259.02/577,976.02 = 207,762.10/x
  3. Step 3: Cross multiply
    385,259.02x = 577,976.02 × 207,762.10
  4. Step 4: Simplify right side
    385,259.02x = 120,081,511,664.84
  5. Step 5: Solve for x
    x = 120,081,511,664.84/385,259.02
  6. Step 6: Final answer
    x = 311,690.33

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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.