Finding the Fourth Proportional to 133,037.68, 183,587.40 and 79,295.02
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Solution
The fourth proportional to 133,037.68, 183,587.40 and 79,295.02 is: 109,424.39
Step by Step Solution
- Step 1: Write the proportion equation
133,037.68 : 183,587.40 = 79,295.02 : x - Step 2: Convert to fraction form
133,037.68/183,587.40 = 79,295.02/x - Step 3: Cross multiply
133,037.68x = 183,587.40 × 79,295.02 - Step 4: Simplify right side
133,037.68x = 14,557,566,554.75 - Step 5: Solve for x
x = 14,557,566,554.75/133,037.68 - Step 6: Final answer
x = 109,424.39
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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.