Home / 661,465.02-992,290.26-212,080.26

Finding the Fourth Proportional to 661,465.02, 992,290.26 and 212,080.26

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Solution

The fourth proportional to 661,465.02, 992,290.26 and 212,080.26 is: 318,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,465.02 : 992,290.26 = 212,080.26 : x
  2. Step 2: Convert to fraction form
    661,465.02/992,290.26 = 212,080.26/x
  3. Step 3: Cross multiply
    661,465.02x = 992,290.26 × 212,080.26
  4. Step 4: Simplify right side
    661,465.02x = 210,445,176,336.27
  5. Step 5: Solve for x
    x = 210,445,176,336.27/661,465.02
  6. Step 6: Final answer
    x = 318,150.12

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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.