Home / 374,430.27-516,653.40-213,288.45

Finding the Fourth Proportional to 374,430.27, 516,653.40 and 213,288.45

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Solution

The fourth proportional to 374,430.27, 516,653.40 and 213,288.45 is: 294,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,430.27 : 516,653.40 = 213,288.45 : x
  2. Step 2: Convert to fraction form
    374,430.27/516,653.40 = 213,288.45/x
  3. Step 3: Cross multiply
    374,430.27x = 516,653.40 × 213,288.45
  4. Step 4: Simplify right side
    374,430.27x = 110,196,202,873.23
  5. Step 5: Solve for x
    x = 110,196,202,873.23/374,430.27
  6. Step 6: Final answer
    x = 294,303.67

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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.