Home / 228,036.21-314,689.77-137,396.00

Finding the Fourth Proportional to 228,036.21, 314,689.77 and 137,396.00

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Solution

The fourth proportional to 228,036.21, 314,689.77 and 137,396.00 is: 189,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,036.21 : 314,689.77 = 137,396.00 : x
  2. Step 2: Convert to fraction form
    228,036.21/314,689.77 = 137,396.00/x
  3. Step 3: Cross multiply
    228,036.21x = 314,689.77 × 137,396.00
  4. Step 4: Simplify right side
    228,036.21x = 43,237,114,065.47
  5. Step 5: Solve for x
    x = 43,237,114,065.47/228,036.21
  6. Step 6: Final answer
    x = 189,606.35

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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.