Finding the Fourth Proportional to 179,455.79, 247,646.99 and 101,930.90
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Solution
The fourth proportional to 179,455.79, 247,646.99 and 101,930.90 is: 140,663.50
Step by Step Solution
- Step 1: Write the proportion equation
179,455.79 : 247,646.99 = 101,930.90 : x - Step 2: Convert to fraction form
179,455.79/247,646.99 = 101,930.90/x - Step 3: Cross multiply
179,455.79x = 247,646.99 × 101,930.90 - Step 4: Simplify right side
179,455.79x = 25,242,878,825.10 - Step 5: Solve for x
x = 25,242,878,825.10/179,455.79 - Step 6: Final answer
x = 140,663.50
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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.