Finding the Fourth Proportional to 306,746.56, 423,309.31 and 170,776.99
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Solution
The fourth proportional to 306,746.56, 423,309.31 and 170,776.99 is: 235,671.72
Step by Step Solution
- Step 1: Write the proportion equation
306,746.56 : 423,309.31 = 170,776.99 : x - Step 2: Convert to fraction form
306,746.56/423,309.31 = 170,776.99/x - Step 3: Cross multiply
306,746.56x = 423,309.31 × 170,776.99 - Step 4: Simplify right side
306,746.56x = 72,291,489,902.97 - Step 5: Solve for x
x = 72,291,489,902.97/306,746.56 - Step 6: Final answer
x = 235,671.72
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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.