Home / 351,037.80-526,556.70-310,359.60

Finding the Fourth Proportional to 351,037.80, 526,556.70 and 310,359.60

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Solution

The fourth proportional to 351,037.80, 526,556.70 and 310,359.60 is: 465,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,037.80 : 526,556.70 = 310,359.60 : x
  2. Step 2: Convert to fraction form
    351,037.80/526,556.70 = 310,359.60/x
  3. Step 3: Cross multiply
    351,037.80x = 526,556.70 × 310,359.60
  4. Step 4: Simplify right side
    351,037.80x = 163,421,926,789.32
  5. Step 5: Solve for x
    x = 163,421,926,789.32/351,037.80
  6. Step 6: Final answer
    x = 465,539.40

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1.5x scale

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.