Home / 430,916.94-646,498.73-146,670.12

Finding the Fourth Proportional to 430,916.94, 646,498.73 and 146,670.12

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Solution

The fourth proportional to 430,916.94, 646,498.73 and 146,670.12 is: 220,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,916.94 : 646,498.73 = 146,670.12 : x
  2. Step 2: Convert to fraction form
    430,916.94/646,498.73 = 146,670.12/x
  3. Step 3: Cross multiply
    430,916.94x = 646,498.73 × 146,670.12
  4. Step 4: Simplify right side
    430,916.94x = 94,822,046,308.95
  5. Step 5: Solve for x
    x = 94,822,046,308.95/430,916.94
  6. Step 6: Final answer
    x = 220,047.15

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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.