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Finding the Fourth Proportional to 273,647.57, 377,630.01 and 152,790.89

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Solution

The fourth proportional to 273,647.57, 377,630.01 and 152,790.89 is: 210,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,647.57 : 377,630.01 = 152,790.89 : x
  2. Step 2: Convert to fraction form
    273,647.57/377,630.01 = 152,790.89/x
  3. Step 3: Cross multiply
    273,647.57x = 377,630.01 × 152,790.89
  4. Step 4: Simplify right side
    273,647.57x = 57,698,423,430.46
  5. Step 5: Solve for x
    x = 57,698,423,430.46/273,647.57
  6. Step 6: Final answer
    x = 210,849.39

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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.