Finding the Fourth Proportional to 409,295.12, 564,844.28 and 228,006.99
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Solution
The fourth proportional to 409,295.12, 564,844.28 and 228,006.99 is: 314,659.13
Step by Step Solution
- Step 1: Write the proportion equation
409,295.12 : 564,844.28 = 228,006.99 : x - Step 2: Convert to fraction form
409,295.12/564,844.28 = 228,006.99/x - Step 3: Cross multiply
409,295.12x = 564,844.28 × 228,006.99 - Step 4: Simplify right side
409,295.12x = 128,788,442,961.48 - Step 5: Solve for x
x = 128,788,442,961.48/409,295.12 - Step 6: Final answer
x = 314,659.13
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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.