Finding the Fourth Proportional to 286,366.10, 395,186.14 and 159,041.70
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Solution
The fourth proportional to 286,366.10, 395,186.14 and 159,041.70 is: 219,478.06
Step by Step Solution
- Step 1: Write the proportion equation
286,366.10 : 395,186.14 = 159,041.70 : x - Step 2: Convert to fraction form
286,366.10/395,186.14 = 159,041.70/x - Step 3: Cross multiply
286,366.10x = 395,186.14 × 159,041.70 - Step 4: Simplify right side
286,366.10x = 62,851,075,522.04 - Step 5: Solve for x
x = 62,851,075,522.04/286,366.10 - Step 6: Final answer
x = 219,478.06
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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.