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Finding the Fourth Proportional to 273,498.16, 377,426.64 and 152,638.12

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Solution

The fourth proportional to 273,498.16, 377,426.64 and 152,638.12 is: 210,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,498.16 : 377,426.64 = 152,638.12 : x
  2. Step 2: Convert to fraction form
    273,498.16/377,426.64 = 152,638.12/x
  3. Step 3: Cross multiply
    273,498.16x = 377,426.64 × 152,638.12
  4. Step 4: Simplify right side
    273,498.16x = 57,609,692,767.52
  5. Step 5: Solve for x
    x = 57,609,692,767.52/273,498.16
  6. Step 6: Final answer
    x = 210,640.15

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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.