Home / 228,946.96-315,941.07-126,970.93

Finding the Fourth Proportional to 228,946.96, 315,941.07 and 126,970.93

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Solution

The fourth proportional to 228,946.96, 315,941.07 and 126,970.93 is: 175,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.96 : 315,941.07 = 126,970.93 : x
  2. Step 2: Convert to fraction form
    228,946.96/315,941.07 = 126,970.93/x
  3. Step 3: Cross multiply
    228,946.96x = 315,941.07 × 126,970.93
  4. Step 4: Simplify right side
    228,946.96x = 40,115,331,483.10
  5. Step 5: Solve for x
    x = 40,115,331,483.10/228,946.96
  6. Step 6: Final answer
    x = 175,216.70

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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.