Finding the Fourth Proportional to 486,700.95, 671,643.36 and 268,908.94
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Solution
The fourth proportional to 486,700.95, 671,643.36 and 268,908.94 is: 371,092.15
Step by Step Solution
- Step 1: Write the proportion equation
486,700.95 : 671,643.36 = 268,908.94 : x - Step 2: Convert to fraction form
486,700.95/671,643.36 = 268,908.94/x - Step 3: Cross multiply
486,700.95x = 671,643.36 × 268,908.94 - Step 4: Simplify right side
486,700.95x = 180,610,902,651.09 - Step 5: Solve for x
x = 180,610,902,651.09/486,700.95 - Step 6: Final answer
x = 371,092.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.