Finding the Fourth Proportional to 454,618.18, 681,902.53 and 139,075.09
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Solution
The fourth proportional to 454,618.18, 681,902.53 and 139,075.09 is: 208,605.07
Step by Step Solution
- Step 1: Write the proportion equation
454,618.18 : 681,902.53 = 139,075.09 : x - Step 2: Convert to fraction form
454,618.18/681,902.53 = 139,075.09/x - Step 3: Cross multiply
454,618.18x = 681,902.53 × 139,075.09 - Step 4: Simplify right side
454,618.18x = 94,835,655,730.98 - Step 5: Solve for x
x = 94,835,655,730.98/454,618.18 - Step 6: Final answer
x = 208,605.07
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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.