Finding the Fourth Proportional to 100,248.93, 149,488.76 and 99,349.02
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Solution
The fourth proportional to 100,248.93, 149,488.76 and 99,349.02 is: 148,146.84
Step by Step Solution
- Step 1: Write the proportion equation
100,248.93 : 149,488.76 = 99,349.02 : x - Step 2: Convert to fraction form
100,248.93/149,488.76 = 99,349.02/x - Step 3: Cross multiply
100,248.93x = 149,488.76 × 99,349.02 - Step 4: Simplify right side
100,248.93x = 14,851,562,055.39 - Step 5: Solve for x
x = 14,851,562,055.39/100,248.93 - Step 6: Final answer
x = 148,146.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.