Home / 228,946.02-315,964.43-127,004.35

Finding the Fourth Proportional to 228,946.02, 315,964.43 and 127,004.35

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Solution

The fourth proportional to 228,946.02, 315,964.43 and 127,004.35 is: 175,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.02 : 315,964.43 = 127,004.35 : x
  2. Step 2: Convert to fraction form
    228,946.02/315,964.43 = 127,004.35/x
  3. Step 3: Cross multiply
    228,946.02x = 315,964.43 × 127,004.35
  4. Step 4: Simplify right side
    228,946.02x = 40,128,856,420.25
  5. Step 5: Solve for x
    x = 40,128,856,420.25/228,946.02
  6. Step 6: Final answer
    x = 175,276.50

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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.