Home / 468,173.20-646,009.75-284,316.16

Finding the Fourth Proportional to 468,173.20, 646,009.75 and 284,316.16

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Solution

The fourth proportional to 468,173.20, 646,009.75 and 284,316.16 is: 392,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,173.20 : 646,009.75 = 284,316.16 : x
  2. Step 2: Convert to fraction form
    468,173.20/646,009.75 = 284,316.16/x
  3. Step 3: Cross multiply
    468,173.20x = 646,009.75 × 284,316.16
  4. Step 4: Simplify right side
    468,173.20x = 183,671,010,020.98
  5. Step 5: Solve for x
    x = 183,671,010,020.98/468,173.20
  6. Step 6: Final answer
    x = 392,314.23

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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.