Finding the Fourth Proportional to 478,097.68, 716,701.02 and 162,338.68
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Solution
The fourth proportional to 478,097.68, 716,701.02 and 162,338.68 is: 243,356.75
Step by Step Solution
- Step 1: Write the proportion equation
478,097.68 : 716,701.02 = 162,338.68 : x - Step 2: Convert to fraction form
478,097.68/716,701.02 = 162,338.68/x - Step 3: Cross multiply
478,097.68x = 716,701.02 × 162,338.68 - Step 4: Simplify right side
478,097.68x = 116,348,297,541.45 - Step 5: Solve for x
x = 116,348,297,541.45/478,097.68 - Step 6: Final answer
x = 243,356.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.