Finding the Fourth Proportional to 424,459.47, 636,619.98 and 124,869.99
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Solution
The fourth proportional to 424,459.47, 636,619.98 and 124,869.99 is: 187,284.62
Step by Step Solution
- Step 1: Write the proportion equation
424,459.47 : 636,619.98 = 124,869.99 : x - Step 2: Convert to fraction form
424,459.47/636,619.98 = 124,869.99/x - Step 3: Cross multiply
424,459.47x = 636,619.98 × 124,869.99 - Step 4: Simplify right side
424,459.47x = 79,494,730,536.40 - Step 5: Solve for x
x = 79,494,730,536.40/424,459.47 - Step 6: Final answer
x = 187,284.62
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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.