Finding the Fourth Proportional to 286,363.08, 395,181.99 and 159,038.69
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Solution
The fourth proportional to 286,363.08, 395,181.99 and 159,038.69 is: 219,473.91
Step by Step Solution
- Step 1: Write the proportion equation
286,363.08 : 395,181.99 = 159,038.69 : x - Step 2: Convert to fraction form
286,363.08/395,181.99 = 159,038.69/x - Step 3: Cross multiply
286,363.08x = 395,181.99 × 159,038.69 - Step 4: Simplify right side
286,363.08x = 62,849,224,025.28 - Step 5: Solve for x
x = 62,849,224,025.28/286,363.08 - Step 6: Final answer
x = 219,473.91
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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.