Home / 286,320.03-429,409.06-96,776.18

Finding the Fourth Proportional to 286,320.03, 429,409.06 and 96,776.18

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Solution

The fourth proportional to 286,320.03, 429,409.06 and 96,776.18 is: 145,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,320.03 : 429,409.06 = 96,776.18 : x
  2. Step 2: Convert to fraction form
    286,320.03/429,409.06 = 96,776.18/x
  3. Step 3: Cross multiply
    286,320.03x = 429,409.06 × 96,776.18
  4. Step 4: Simplify right side
    286,320.03x = 41,556,568,484.19
  5. Step 5: Solve for x
    x = 41,556,568,484.19/286,320.03
  6. Step 6: Final answer
    x = 145,140.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.