Home / 282,968.50-390,551.99-162,190.74

Finding the Fourth Proportional to 282,968.50, 390,551.99 and 162,190.74

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Solution

The fourth proportional to 282,968.50, 390,551.99 and 162,190.74 is: 223,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,968.50 : 390,551.99 = 162,190.74 : x
  2. Step 2: Convert to fraction form
    282,968.50/390,551.99 = 162,190.74/x
  3. Step 3: Cross multiply
    282,968.50x = 390,551.99 × 162,190.74
  4. Step 4: Simplify right side
    282,968.50x = 63,343,916,266.57
  5. Step 5: Solve for x
    x = 63,343,916,266.57/282,968.50
  6. Step 6: Final answer
    x = 223,855.01

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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.