Home / 313,723.63-432,938.28-170,483.37

Finding the Fourth Proportional to 313,723.63, 432,938.28 and 170,483.37

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Solution

The fourth proportional to 313,723.63, 432,938.28 and 170,483.37 is: 235,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,723.63 : 432,938.28 = 170,483.37 : x
  2. Step 2: Convert to fraction form
    313,723.63/432,938.28 = 170,483.37/x
  3. Step 3: Cross multiply
    313,723.63x = 432,938.28 × 170,483.37
  4. Step 4: Simplify right side
    313,723.63x = 73,808,774,811.71
  5. Step 5: Solve for x
    x = 73,808,774,811.71/313,723.63
  6. Step 6: Final answer
    x = 235,266.86

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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.