Home / 282,801.50-390,268.60-153,740.24

Finding the Fourth Proportional to 282,801.50, 390,268.60 and 153,740.24

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Solution

The fourth proportional to 282,801.50, 390,268.60 and 153,740.24 is: 212,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,801.50 : 390,268.60 = 153,740.24 : x
  2. Step 2: Convert to fraction form
    282,801.50/390,268.60 = 153,740.24/x
  3. Step 3: Cross multiply
    282,801.50x = 390,268.60 × 153,740.24
  4. Step 4: Simplify right side
    282,801.50x = 59,999,988,228.46
  5. Step 5: Solve for x
    x = 59,999,988,228.46/282,801.50
  6. Step 6: Final answer
    x = 212,162.91

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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.