Finding the Fourth Proportional to 168,307.68, 232,285.01 and 122,962.97
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Solution
The fourth proportional to 168,307.68, 232,285.01 and 122,962.97 is: 169,703.81
Step by Step Solution
- Step 1: Write the proportion equation
168,307.68 : 232,285.01 = 122,962.97 : x - Step 2: Convert to fraction form
168,307.68/232,285.01 = 122,962.97/x - Step 3: Cross multiply
168,307.68x = 232,285.01 × 122,962.97 - Step 4: Simplify right side
168,307.68x = 28,562,453,862.06 - Step 5: Solve for x
x = 28,562,453,862.06/168,307.68 - Step 6: Final answer
x = 169,703.81
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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.