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Finding the Fourth Proportional to 228,903.36, 343,333.16 and 140,111.16

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Solution

The fourth proportional to 228,903.36, 343,333.16 and 140,111.16 is: 210,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,903.36 : 343,333.16 = 140,111.16 : x
  2. Step 2: Convert to fraction form
    228,903.36/343,333.16 = 140,111.16/x
  3. Step 3: Cross multiply
    228,903.36x = 343,333.16 × 140,111.16
  4. Step 4: Simplify right side
    228,903.36x = 48,104,807,314.07
  5. Step 5: Solve for x
    x = 48,104,807,314.07/228,903.36
  6. Step 6: Final answer
    x = 210,153.35

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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.