Home / 282,810.51-390,273.26-155,483.37

Finding the Fourth Proportional to 282,810.51, 390,273.26 and 155,483.37

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Solution

The fourth proportional to 282,810.51, 390,273.26 and 155,483.37 is: 214,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,810.51 : 390,273.26 = 155,483.37 : x
  2. Step 2: Convert to fraction form
    282,810.51/390,273.26 = 155,483.37/x
  3. Step 3: Cross multiply
    282,810.51x = 390,273.26 × 155,483.37
  4. Step 4: Simplify right side
    282,810.51x = 60,681,000,908.27
  5. Step 5: Solve for x
    x = 60,681,000,908.27/282,810.51
  6. Step 6: Final answer
    x = 214,564.16

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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.