Finding the Fourth Proportional to 607,915.89, 911,734.40 and 228,875.99
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Solution
The fourth proportional to 607,915.89, 911,734.40 and 228,875.99 is: 343,261.48
Step by Step Solution
- Step 1: Write the proportion equation
607,915.89 : 911,734.40 = 228,875.99 : x - Step 2: Convert to fraction form
607,915.89/911,734.40 = 228,875.99/x - Step 3: Cross multiply
607,915.89x = 911,734.40 × 228,875.99 - Step 4: Simplify right side
607,915.89x = 208,674,109,430.57 - Step 5: Solve for x
x = 208,674,109,430.57/607,915.89 - Step 6: Final answer
x = 343,261.48
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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.