Home / 468,172.23-646,008.40-284,315.19

Finding the Fourth Proportional to 468,172.23, 646,008.40 and 284,315.19

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Solution

The fourth proportional to 468,172.23, 646,008.40 and 284,315.19 is: 392,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,172.23 : 646,008.40 = 284,315.19 : x
  2. Step 2: Convert to fraction form
    468,172.23/646,008.40 = 284,315.19/x
  3. Step 3: Cross multiply
    468,172.23x = 646,008.40 × 284,315.19
  4. Step 4: Simplify right side
    468,172.23x = 183,670,000,987.60
  5. Step 5: Solve for x
    x = 183,670,000,987.60/468,172.23
  6. Step 6: Final answer
    x = 392,312.89

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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.