Home / 309,256.02-426,733.47-181,885.14

Finding the Fourth Proportional to 309,256.02, 426,733.47 and 181,885.14

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Solution

The fourth proportional to 309,256.02, 426,733.47 and 181,885.14 is: 250,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,256.02 : 426,733.47 = 181,885.14 : x
  2. Step 2: Convert to fraction form
    309,256.02/426,733.47 = 181,885.14/x
  3. Step 3: Cross multiply
    309,256.02x = 426,733.47 × 181,885.14
  4. Step 4: Simplify right side
    309,256.02x = 77,616,476,933.64
  5. Step 5: Solve for x
    x = 77,616,476,933.64/309,256.02
  6. Step 6: Final answer
    x = 250,978.06

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1.5x scale

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.