Finding the Fourth Proportional to 418,358.68, 627,579.52 and 133,977.80
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Solution
The fourth proportional to 418,358.68, 627,579.52 and 133,977.80 is: 200,979.99
Step by Step Solution
- Step 1: Write the proportion equation
418,358.68 : 627,579.52 = 133,977.80 : x - Step 2: Convert to fraction form
418,358.68/627,579.52 = 133,977.80/x - Step 3: Cross multiply
418,358.68x = 627,579.52 × 133,977.80 - Step 4: Simplify right side
418,358.68x = 84,081,724,648.66 - Step 5: Solve for x
x = 84,081,724,648.66/418,358.68 - Step 6: Final answer
x = 200,979.99
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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.