Home / 313,829.37-433,437.35-243,065.61

Finding the Fourth Proportional to 313,829.37, 433,437.35 and 243,065.61

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Solution

The fourth proportional to 313,829.37, 433,437.35 and 243,065.61 is: 335,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,829.37 : 433,437.35 = 243,065.61 : x
  2. Step 2: Convert to fraction form
    313,829.37/433,437.35 = 243,065.61/x
  3. Step 3: Cross multiply
    313,829.37x = 433,437.35 × 243,065.61
  4. Step 4: Simplify right side
    313,829.37x = 105,353,712,659.21
  5. Step 5: Solve for x
    x = 105,353,712,659.21/313,829.37
  6. Step 6: Final answer
    x = 335,703.80

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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.