Home / 282,829.04-390,304.14-155,513.24

Finding the Fourth Proportional to 282,829.04, 390,304.14 and 155,513.24

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Solution

The fourth proportional to 282,829.04, 390,304.14 and 155,513.24 is: 214,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,829.04 : 390,304.14 = 155,513.24 : x
  2. Step 2: Convert to fraction form
    282,829.04/390,304.14 = 155,513.24/x
  3. Step 3: Cross multiply
    282,829.04x = 390,304.14 × 155,513.24
  4. Step 4: Simplify right side
    282,829.04x = 60,697,461,396.81
  5. Step 5: Solve for x
    x = 60,697,461,396.81/282,829.04
  6. Step 6: Final answer
    x = 214,608.31

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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.