Home / 287,895.06-397,374.26-167,075.26

Finding the Fourth Proportional to 287,895.06, 397,374.26 and 167,075.26

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Solution

The fourth proportional to 287,895.06, 397,374.26 and 167,075.26 is: 230,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,895.06 : 397,374.26 = 167,075.26 : x
  2. Step 2: Convert to fraction form
    287,895.06/397,374.26 = 167,075.26/x
  3. Step 3: Cross multiply
    287,895.06x = 397,374.26 × 167,075.26
  4. Step 4: Simplify right side
    287,895.06x = 66,391,405,978.00
  5. Step 5: Solve for x
    x = 66,391,405,978.00/287,895.06
  6. Step 6: Final answer
    x = 230,609.74

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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.