Finding the Fourth Proportional to 296,641.92, 409,252.86 and 219,303.28
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Solution
The fourth proportional to 296,641.92, 409,252.86 and 219,303.28 is: 302,554.99
Step by Step Solution
- Step 1: Write the proportion equation
296,641.92 : 409,252.86 = 219,303.28 : x - Step 2: Convert to fraction form
296,641.92/409,252.86 = 219,303.28/x - Step 3: Cross multiply
296,641.92x = 409,252.86 × 219,303.28 - Step 4: Simplify right side
296,641.92x = 89,750,494,547.38 - Step 5: Solve for x
x = 89,750,494,547.38/296,641.92 - Step 6: Final answer
x = 302,554.99
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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.