Finding the Fourth Proportional to 133,054.68, 183,610.80 and 79,312.08
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Solution
The fourth proportional to 133,054.68, 183,610.80 and 79,312.08 is: 109,447.89
Step by Step Solution
- Step 1: Write the proportion equation
133,054.68 : 183,610.80 = 79,312.08 : x - Step 2: Convert to fraction form
133,054.68/183,610.80 = 79,312.08/x - Step 3: Cross multiply
133,054.68x = 183,610.80 × 79,312.08 - Step 4: Simplify right side
133,054.68x = 14,562,554,458.46 - Step 5: Solve for x
x = 14,562,554,458.46/133,054.68 - Step 6: Final answer
x = 109,447.89
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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.