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Finding the Fourth Proportional to 273,316.72, 377,139.36 and 152,443.84

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Solution

The fourth proportional to 273,316.72, 377,139.36 and 152,443.84 is: 210,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,316.72 : 377,139.36 = 152,443.84 : x
  2. Step 2: Convert to fraction form
    273,316.72/377,139.36 = 152,443.84/x
  3. Step 3: Cross multiply
    273,316.72x = 377,139.36 × 152,443.84
  4. Step 4: Simplify right side
    273,316.72x = 57,492,572,253.54
  5. Step 5: Solve for x
    x = 57,492,572,253.54/273,316.72
  6. Step 6: Final answer
    x = 210,351.46

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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.