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Finding the Fourth Proportional to 201,271.29, 277,737.74 and 115,210.45

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Solution

The fourth proportional to 201,271.29, 277,737.74 and 115,210.45 is: 158,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,271.29 : 277,737.74 = 115,210.45 : x
  2. Step 2: Convert to fraction form
    201,271.29/277,737.74 = 115,210.45/x
  3. Step 3: Cross multiply
    201,271.29x = 277,737.74 × 115,210.45
  4. Step 4: Simplify right side
    201,271.29x = 31,998,290,007.38
  5. Step 5: Solve for x
    x = 31,998,290,007.38/201,271.29
  6. Step 6: Final answer
    x = 158,980.90

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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.