Finding the Fourth Proportional to 498,428.23, 747,605.98 and 194,765.31
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Solution
The fourth proportional to 498,428.23, 747,605.98 and 194,765.31 is: 292,133.76
Step by Step Solution
- Step 1: Write the proportion equation
498,428.23 : 747,605.98 = 194,765.31 : x - Step 2: Convert to fraction form
498,428.23/747,605.98 = 194,765.31/x - Step 3: Cross multiply
498,428.23x = 747,605.98 × 194,765.31 - Step 4: Simplify right side
498,428.23x = 145,607,710,452.55 - Step 5: Solve for x
x = 145,607,710,452.55/498,428.23 - Step 6: Final answer
x = 292,133.76
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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.