Home / 228,583.08-315,427.14-127,967.40

Finding the Fourth Proportional to 228,583.08, 315,427.14 and 127,967.40

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Solution

The fourth proportional to 228,583.08, 315,427.14 and 127,967.40 is: 176,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,583.08 : 315,427.14 = 127,967.40 : x
  2. Step 2: Convert to fraction form
    228,583.08/315,427.14 = 127,967.40/x
  3. Step 3: Cross multiply
    228,583.08x = 315,427.14 × 127,967.40
  4. Step 4: Simplify right side
    228,583.08x = 40,364,390,995.24
  5. Step 5: Solve for x
    x = 40,364,390,995.24/228,583.08
  6. Step 6: Final answer
    x = 176,585.21

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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.