Home / 228,056.50-314,712.21-127,455.22

Finding the Fourth Proportional to 228,056.50, 314,712.21 and 127,455.22

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Solution

The fourth proportional to 228,056.50, 314,712.21 and 127,455.22 is: 175,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,056.50 : 314,712.21 = 127,455.22 : x
  2. Step 2: Convert to fraction form
    228,056.50/314,712.21 = 127,455.22/x
  3. Step 3: Cross multiply
    228,056.50x = 314,712.21 × 127,455.22
  4. Step 4: Simplify right side
    228,056.50x = 40,111,713,962.24
  5. Step 5: Solve for x
    x = 40,111,713,962.24/228,056.50
  6. Step 6: Final answer
    x = 175,884.98

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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.