Home / 316,277.56-436,533.10-218,298.37

Finding the Fourth Proportional to 316,277.56, 436,533.10 and 218,298.37

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Solution

The fourth proportional to 316,277.56, 436,533.10 and 218,298.37 is: 301,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,277.56 : 436,533.10 = 218,298.37 : x
  2. Step 2: Convert to fraction form
    316,277.56/436,533.10 = 218,298.37/x
  3. Step 3: Cross multiply
    316,277.56x = 436,533.10 × 218,298.37
  4. Step 4: Simplify right side
    316,277.56x = 95,294,462,134.72
  5. Step 5: Solve for x
    x = 95,294,462,134.72/316,277.56
  6. Step 6: Final answer
    x = 301,300.10

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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.