Finding the Fourth Proportional to 314,965.08, 472,350.63 and 90,265.26
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Solution
The fourth proportional to 314,965.08, 472,350.63 and 90,265.26 is: 135,370.09
Step by Step Solution
- Step 1: Write the proportion equation
314,965.08 : 472,350.63 = 90,265.26 : x - Step 2: Convert to fraction form
314,965.08/472,350.63 = 90,265.26/x - Step 3: Cross multiply
314,965.08x = 472,350.63 × 90,265.26 - Step 4: Simplify right side
314,965.08x = 42,636,852,428.11 - Step 5: Solve for x
x = 42,636,852,428.11/314,965.08 - Step 6: Final answer
x = 135,370.09
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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.