Finding the Fourth Proportional to 412,503.60, 569,209.36 and 228,737.55
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Solution
The fourth proportional to 412,503.60, 569,209.36 and 228,737.55 is: 315,632.53
Step by Step Solution
- Step 1: Write the proportion equation
412,503.60 : 569,209.36 = 228,737.55 : x - Step 2: Convert to fraction form
412,503.60/569,209.36 = 228,737.55/x - Step 3: Cross multiply
412,503.60x = 569,209.36 × 228,737.55 - Step 4: Simplify right side
412,503.60x = 130,199,554,443.47 - Step 5: Solve for x
x = 130,199,554,443.47/412,503.60 - Step 6: Final answer
x = 315,632.53
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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.