Home / 228,264.47-342,116.27-128,214.35

Finding the Fourth Proportional to 228,264.47, 342,116.27 and 128,214.35

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Solution

The fourth proportional to 228,264.47, 342,116.27 and 128,214.35 is: 192,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,264.47 : 342,116.27 = 128,214.35 : x
  2. Step 2: Convert to fraction form
    228,264.47/342,116.27 = 128,214.35/x
  3. Step 3: Cross multiply
    228,264.47x = 342,116.27 × 128,214.35
  4. Step 4: Simplify right side
    228,264.47x = 43,864,212,830.82
  5. Step 5: Solve for x
    x = 43,864,212,830.82/228,264.47
  6. Step 6: Final answer
    x = 192,164.00

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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.