Home / 286,646.03-430,020.75-118,074.34

Finding the Fourth Proportional to 286,646.03, 430,020.75 and 118,074.34

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Solution

The fourth proportional to 286,646.03, 430,020.75 and 118,074.34 is: 177,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,646.03 : 430,020.75 = 118,074.34 : x
  2. Step 2: Convert to fraction form
    286,646.03/430,020.75 = 118,074.34/x
  3. Step 3: Cross multiply
    286,646.03x = 430,020.75 × 118,074.34
  4. Step 4: Simplify right side
    286,646.03x = 50,774,416,242.56
  5. Step 5: Solve for x
    x = 50,774,416,242.56/286,646.03
  6. Step 6: Final answer
    x = 177,132.81

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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.