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Finding the Fourth Proportional to 460,111.50, 634,968 and 250,573.50

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Solution

The fourth proportional to 460,111.50, 634,968 and 250,573.50 is: 345,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,111.50 : 634,968 = 250,573.50 : x
  2. Step 2: Convert to fraction form
    460,111.50/634,968 = 250,573.50/x
  3. Step 3: Cross multiply
    460,111.50x = 634,968 × 250,573.50
  4. Step 4: Simplify right side
    460,111.50x = 159,106,154,148
  5. Step 5: Solve for x
    x = 159,106,154,148/460,111.50
  6. Step 6: Final answer
    x = 345,799.13

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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.