Home / 307,075.10-423,752.85-171,102.02

Finding the Fourth Proportional to 307,075.10, 423,752.85 and 171,102.02

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Solution

The fourth proportional to 307,075.10, 423,752.85 and 171,102.02 is: 236,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,075.10 : 423,752.85 = 171,102.02 : x
  2. Step 2: Convert to fraction form
    307,075.10/423,752.85 = 171,102.02/x
  3. Step 3: Cross multiply
    307,075.10x = 423,752.85 × 171,102.02
  4. Step 4: Simplify right side
    307,075.10x = 72,504,966,496.99
  5. Step 5: Solve for x
    x = 72,504,966,496.99/307,075.10
  6. Step 6: Final answer
    x = 236,114.77

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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.