Finding the Fourth Proportional to 616,122.48, 924,216.60 and 195,430.80
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Solution
The fourth proportional to 616,122.48, 924,216.60 and 195,430.80 is: 293,156.63
Step by Step Solution
- Step 1: Write the proportion equation
616,122.48 : 924,216.60 = 195,430.80 : x - Step 2: Convert to fraction form
616,122.48/924,216.60 = 195,430.80/x - Step 3: Cross multiply
616,122.48x = 924,216.60 × 195,430.80 - Step 4: Simplify right side
616,122.48x = 180,620,389,511.28 - Step 5: Solve for x
x = 180,620,389,511.28/616,122.48 - Step 6: Final answer
x = 293,156.63
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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.