Home / 272,588.98-376,172.72-151,727.68

Finding the Fourth Proportional to 272,588.98, 376,172.72 and 151,727.68

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Solution

The fourth proportional to 272,588.98, 376,172.72 and 151,727.68 is: 209,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,588.98 : 376,172.72 = 151,727.68 : x
  2. Step 2: Convert to fraction form
    272,588.98/376,172.72 = 151,727.68/x
  3. Step 3: Cross multiply
    272,588.98x = 376,172.72 × 151,727.68
  4. Step 4: Simplify right side
    272,588.98x = 57,075,814,084.89
  5. Step 5: Solve for x
    x = 57,075,814,084.89/272,588.98
  6. Step 6: Final answer
    x = 209,384.16

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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.