Home / 277,637.40-383,139.12-150,312.96

Finding the Fourth Proportional to 277,637.40, 383,139.12 and 150,312.96

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Solution

The fourth proportional to 277,637.40, 383,139.12 and 150,312.96 is: 207,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,637.40 : 383,139.12 = 150,312.96 : x
  2. Step 2: Convert to fraction form
    277,637.40/383,139.12 = 150,312.96/x
  3. Step 3: Cross multiply
    277,637.40x = 383,139.12 × 150,312.96
  4. Step 4: Simplify right side
    277,637.40x = 57,590,775,219.00
  5. Step 5: Solve for x
    x = 57,590,775,219.00/277,637.40
  6. Step 6: Final answer
    x = 207,431.62

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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.