Home / 631,166.02-946,544.55-210,328.90

Finding the Fourth Proportional to 631,166.02, 946,544.55 and 210,328.90

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Solution

The fourth proportional to 631,166.02, 946,544.55 and 210,328.90 is: 315,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,166.02 : 946,544.55 = 210,328.90 : x
  2. Step 2: Convert to fraction form
    631,166.02/946,544.55 = 210,328.90/x
  3. Step 3: Cross multiply
    631,166.02x = 946,544.55 × 210,328.90
  4. Step 4: Simplify right side
    631,166.02x = 199,085,674,002.50
  5. Step 5: Solve for x
    x = 199,085,674,002.50/631,166.02
  6. Step 6: Final answer
    x = 315,425.21

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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.