Home / 302,010.10-453,004.67-77,372.40

Finding the Fourth Proportional to 302,010.10, 453,004.67 and 77,372.40

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Solution

The fourth proportional to 302,010.10, 453,004.67 and 77,372.40 is: 116,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,010.10 : 453,004.67 = 77,372.40 : x
  2. Step 2: Convert to fraction form
    302,010.10/453,004.67 = 77,372.40/x
  3. Step 3: Cross multiply
    302,010.10x = 453,004.67 × 77,372.40
  4. Step 4: Simplify right side
    302,010.10x = 35,050,058,529.11
  5. Step 5: Solve for x
    x = 35,050,058,529.11/302,010.10
  6. Step 6: Final answer
    x = 116,055.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.