Home / 282,857.02-390,332.07-155,525.02

Finding the Fourth Proportional to 282,857.02, 390,332.07 and 155,525.02

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Solution

The fourth proportional to 282,857.02, 390,332.07 and 155,525.02 is: 214,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,857.02 : 390,332.07 = 155,525.02 : x
  2. Step 2: Convert to fraction form
    282,857.02/390,332.07 = 155,525.02/x
  3. Step 3: Cross multiply
    282,857.02x = 390,332.07 × 155,525.02
  4. Step 4: Simplify right side
    282,857.02x = 60,706,402,993.39
  5. Step 5: Solve for x
    x = 60,706,402,993.39/282,857.02
  6. Step 6: Final answer
    x = 214,618.69

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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.