Finding the Fourth Proportional to 481,756.72, 722,398.62 and 238,316.53
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Solution
The fourth proportional to 481,756.72, 722,398.62 and 238,316.53 is: 357,357.82
Step by Step Solution
- Step 1: Write the proportion equation
481,756.72 : 722,398.62 = 238,316.53 : x - Step 2: Convert to fraction form
481,756.72/722,398.62 = 238,316.53/x - Step 3: Cross multiply
481,756.72x = 722,398.62 × 238,316.53 - Step 4: Simplify right side
481,756.72x = 172,159,532,395.19 - Step 5: Solve for x
x = 172,159,532,395.19/481,756.72 - Step 6: Final answer
x = 357,357.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.