Finding the Fourth Proportional to 359,706.22, 539,559.12 and 106,985.68
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Solution
The fourth proportional to 359,706.22, 539,559.12 and 106,985.68 is: 160,478.46
Step by Step Solution
- Step 1: Write the proportion equation
359,706.22 : 539,559.12 = 106,985.68 : x - Step 2: Convert to fraction form
359,706.22/539,559.12 = 106,985.68/x - Step 3: Cross multiply
359,706.22x = 539,559.12 × 106,985.68 - Step 4: Simplify right side
359,706.22x = 57,725,099,353.40 - Step 5: Solve for x
x = 57,725,099,353.40/359,706.22 - Step 6: Final answer
x = 160,478.46
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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.