Finding the Fourth Proportional to 245,852.61, 368,842.30 and 133,503.99
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Solution
The fourth proportional to 245,852.61, 368,842.30 and 133,503.99 is: 200,290.40
Step by Step Solution
- Step 1: Write the proportion equation
245,852.61 : 368,842.30 = 133,503.99 : x - Step 2: Convert to fraction form
245,852.61/368,842.30 = 133,503.99/x - Step 3: Cross multiply
245,852.61x = 368,842.30 × 133,503.99 - Step 4: Simplify right side
245,852.61x = 49,241,918,397.02 - Step 5: Solve for x
x = 49,241,918,397.02/245,852.61 - Step 6: Final answer
x = 200,290.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.