Home / 245,798.02-339,233.57-138,389.05

Finding the Fourth Proportional to 245,798.02, 339,233.57 and 138,389.05

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Solution

The fourth proportional to 245,798.02, 339,233.57 and 138,389.05 is: 190,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,798.02 : 339,233.57 = 138,389.05 : x
  2. Step 2: Convert to fraction form
    245,798.02/339,233.57 = 138,389.05/x
  3. Step 3: Cross multiply
    245,798.02x = 339,233.57 × 138,389.05
  4. Step 4: Simplify right side
    245,798.02x = 46,946,211,480.41
  5. Step 5: Solve for x
    x = 46,946,211,480.41/245,798.02
  6. Step 6: Final answer
    x = 190,995.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.