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Finding the Fourth Proportional to 303,200.10, 455,018.85 and 169,938.90

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Solution

The fourth proportional to 303,200.10, 455,018.85 and 169,938.90 is: 255,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200.10 : 455,018.85 = 169,938.90 : x
  2. Step 2: Convert to fraction form
    303,200.10/455,018.85 = 169,938.90/x
  3. Step 3: Cross multiply
    303,200.10x = 455,018.85 × 169,938.90
  4. Step 4: Simplify right side
    303,200.10x = 77,325,402,848.27
  5. Step 5: Solve for x
    x = 77,325,402,848.27/303,200.10
  6. Step 6: Final answer
    x = 255,030.93

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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.