Home / 282,900.04-390,412.33-162,064.69

Finding the Fourth Proportional to 282,900.04, 390,412.33 and 162,064.69

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Solution

The fourth proportional to 282,900.04, 390,412.33 and 162,064.69 is: 223,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,900.04 : 390,412.33 = 162,064.69 : x
  2. Step 2: Convert to fraction form
    282,900.04/390,412.33 = 162,064.69/x
  3. Step 3: Cross multiply
    282,900.04x = 390,412.33 × 162,064.69
  4. Step 4: Simplify right side
    282,900.04x = 63,272,050,471.24
  5. Step 5: Solve for x
    x = 63,272,050,471.24/282,900.04
  6. Step 6: Final answer
    x = 223,655.15

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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.