Finding the Fourth Proportional to 478,156.62, 716,696.68 and 208,511.67
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Solution
The fourth proportional to 478,156.62, 716,696.68 and 208,511.67 is: 312,532.79
Step by Step Solution
- Step 1: Write the proportion equation
478,156.62 : 716,696.68 = 208,511.67 : x - Step 2: Convert to fraction form
478,156.62/716,696.68 = 208,511.67/x - Step 3: Cross multiply
478,156.62x = 716,696.68 × 208,511.67 - Step 4: Simplify right side
478,156.62x = 149,439,621,108.98 - Step 5: Solve for x
x = 149,439,621,108.98/478,156.62 - Step 6: Final answer
x = 312,532.79
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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.