Finding the Fourth Proportional to 209,130.01, 288,598.70 and 118,503.26
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Solution
The fourth proportional to 209,130.01, 288,598.70 and 118,503.26 is: 163,534.09
Step by Step Solution
- Step 1: Write the proportion equation
209,130.01 : 288,598.70 = 118,503.26 : x - Step 2: Convert to fraction form
209,130.01/288,598.70 = 118,503.26/x - Step 3: Cross multiply
209,130.01x = 288,598.70 × 118,503.26 - Step 4: Simplify right side
209,130.01x = 34,199,887,003.52 - Step 5: Solve for x
x = 34,199,887,003.52/209,130.01 - Step 6: Final answer
x = 163,534.09
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1.5x scale
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.