Finding the Fourth Proportional to 286,547.09, 395,427.12 and 159,219.41
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Solution
The fourth proportional to 286,547.09, 395,427.12 and 159,219.41 is: 219,718.42
Step by Step Solution
- Step 1: Write the proportion equation
286,547.09 : 395,427.12 = 159,219.41 : x - Step 2: Convert to fraction form
286,547.09/395,427.12 = 159,219.41/x - Step 3: Cross multiply
286,547.09x = 395,427.12 × 159,219.41 - Step 4: Simplify right side
286,547.09x = 62,959,672,744.40 - Step 5: Solve for x
x = 62,959,672,744.40/286,547.09 - Step 6: Final answer
x = 219,718.42
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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.