Home / 228,050.56-314,821.96-143,214.40

Finding the Fourth Proportional to 228,050.56, 314,821.96 and 143,214.40

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Solution

The fourth proportional to 228,050.56, 314,821.96 and 143,214.40 is: 197,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,050.56 : 314,821.96 = 143,214.40 : x
  2. Step 2: Convert to fraction form
    228,050.56/314,821.96 = 143,214.40/x
  3. Step 3: Cross multiply
    228,050.56x = 314,821.96 × 143,214.40
  4. Step 4: Simplify right side
    228,050.56x = 45,087,038,108.22
  5. Step 5: Solve for x
    x = 45,087,038,108.22/228,050.56
  6. Step 6: Final answer
    x = 197,706.32

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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.