Home / 282,362.13-389,666.03-155,038.23

Finding the Fourth Proportional to 282,362.13, 389,666.03 and 155,038.23

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Solution

The fourth proportional to 282,362.13, 389,666.03 and 155,038.23 is: 213,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,362.13 : 389,666.03 = 155,038.23 : x
  2. Step 2: Convert to fraction form
    282,362.13/389,666.03 = 155,038.23/x
  3. Step 3: Cross multiply
    282,362.13x = 389,666.03 × 155,038.23
  4. Step 4: Simplify right side
    282,362.13x = 60,413,130,807.14
  5. Step 5: Solve for x
    x = 60,413,130,807.14/282,362.13
  6. Step 6: Final answer
    x = 213,956.21

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1.5x scale

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.