Home / 379,969.02-524,337.03-210,199.50

Finding the Fourth Proportional to 379,969.02, 524,337.03 and 210,199.50

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Solution

The fourth proportional to 379,969.02, 524,337.03 and 210,199.50 is: 290,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,969.02 : 524,337.03 = 210,199.50 : x
  2. Step 2: Convert to fraction form
    379,969.02/524,337.03 = 210,199.50/x
  3. Step 3: Cross multiply
    379,969.02x = 524,337.03 × 210,199.50
  4. Step 4: Simplify right side
    379,969.02x = 110,215,381,537.49
  5. Step 5: Solve for x
    x = 110,215,381,537.49/379,969.02
  6. Step 6: Final answer
    x = 290,064.13

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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.