Home / 279,041.64-385,075.50-151,717.32

Finding the Fourth Proportional to 279,041.64, 385,075.50 and 151,717.32

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Solution

The fourth proportional to 279,041.64, 385,075.50 and 151,717.32 is: 209,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,041.64 : 385,075.50 = 151,717.32 : x
  2. Step 2: Convert to fraction form
    279,041.64/385,075.50 = 151,717.32/x
  3. Step 3: Cross multiply
    279,041.64x = 385,075.50 × 151,717.32
  4. Step 4: Simplify right side
    279,041.64x = 58,422,622,857.66
  5. Step 5: Solve for x
    x = 58,422,622,857.66/279,041.64
  6. Step 6: Final answer
    x = 209,368.83

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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.