Home / 207,907.02-312,386.04-199,499.49

Finding the Fourth Proportional to 207,907.02, 312,386.04 and 199,499.49

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Solution

The fourth proportional to 207,907.02, 312,386.04 and 199,499.49 is: 299,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,907.02 : 312,386.04 = 199,499.49 : x
  2. Step 2: Convert to fraction form
    207,907.02/312,386.04 = 199,499.49/x
  3. Step 3: Cross multiply
    207,907.02x = 312,386.04 × 199,499.49
  4. Step 4: Simplify right side
    207,907.02x = 62,320,855,663.12
  5. Step 5: Solve for x
    x = 62,320,855,663.12/207,907.02
  6. Step 6: Final answer
    x = 299,753.49

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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.