Finding the Fourth Proportional to 302,146.95, 452,728.35 and 222,430.80
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Solution
The fourth proportional to 302,146.95, 452,728.35 and 222,430.80 is: 333,283.95
Step by Step Solution
- Step 1: Write the proportion equation
302,146.95 : 452,728.35 = 222,430.80 : x - Step 2: Convert to fraction form
302,146.95/452,728.35 = 222,430.80/x - Step 3: Cross multiply
302,146.95x = 452,728.35 × 222,430.80 - Step 4: Simplify right side
302,146.95x = 100,700,729,073.18 - Step 5: Solve for x
x = 100,700,729,073.18/302,146.95 - Step 6: Final answer
x = 333,283.95
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1.5x scale
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.