Finding the Fourth Proportional to 276,688.20, 415,032.30 and 164,713.80
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Solution
The fourth proportional to 276,688.20, 415,032.30 and 164,713.80 is: 247,070.70
Step by Step Solution
- Step 1: Write the proportion equation
276,688.20 : 415,032.30 = 164,713.80 : x - Step 2: Convert to fraction form
276,688.20/415,032.30 = 164,713.80/x - Step 3: Cross multiply
276,688.20x = 415,032.30 × 164,713.80 - Step 4: Simplify right side
276,688.20x = 68,361,547,255.74 - Step 5: Solve for x
x = 68,361,547,255.74/276,688.20 - Step 6: Final answer
x = 247,070.70
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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.