Finding the Fourth Proportional to 412,503.11, 569,208.68 and 228,737.06
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Solution
The fourth proportional to 412,503.11, 569,208.68 and 228,737.06 is: 315,631.84
Step by Step Solution
- Step 1: Write the proportion equation
412,503.11 : 569,208.68 = 228,737.06 : x - Step 2: Convert to fraction form
412,503.11/569,208.68 = 228,737.06/x - Step 3: Cross multiply
412,503.11x = 569,208.68 × 228,737.06 - Step 4: Simplify right side
412,503.11x = 130,199,115,999.95 - Step 5: Solve for x
x = 130,199,115,999.95/412,503.11 - Step 6: Final answer
x = 315,631.84
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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.