Home / 282,973.24-390,501.03-155,646.10

Finding the Fourth Proportional to 282,973.24, 390,501.03 and 155,646.10

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Solution

The fourth proportional to 282,973.24, 390,501.03 and 155,646.10 is: 214,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,973.24 : 390,501.03 = 155,646.10 : x
  2. Step 2: Convert to fraction form
    282,973.24/390,501.03 = 155,646.10/x
  3. Step 3: Cross multiply
    282,973.24x = 390,501.03 × 155,646.10
  4. Step 4: Simplify right side
    282,973.24x = 60,779,962,365.48
  5. Step 5: Solve for x
    x = 60,779,962,365.48/282,973.24
  6. Step 6: Final answer
    x = 214,790.50

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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.