Finding the Fourth Proportional to 248,737.16, 343,258.44 and 141,313.09
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Solution
The fourth proportional to 248,737.16, 343,258.44 and 141,313.09 is: 195,012.72
Step by Step Solution
- Step 1: Write the proportion equation
248,737.16 : 343,258.44 = 141,313.09 : x - Step 2: Convert to fraction form
248,737.16/343,258.44 = 141,313.09/x - Step 3: Cross multiply
248,737.16x = 343,258.44 × 141,313.09 - Step 4: Simplify right side
248,737.16x = 48,506,909,966.83 - Step 5: Solve for x
x = 48,506,909,966.83/248,737.16 - Step 6: Final answer
x = 195,012.72
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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.