Finding the Fourth Proportional to 478,747.08, 718,119.27 and 141,813.99
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Solution
The fourth proportional to 478,747.08, 718,119.27 and 141,813.99 is: 212,720.59
Step by Step Solution
- Step 1: Write the proportion equation
478,747.08 : 718,119.27 = 141,813.99 : x - Step 2: Convert to fraction form
478,747.08/718,119.27 = 141,813.99/x - Step 3: Cross multiply
478,747.08x = 718,119.27 × 141,813.99 - Step 4: Simplify right side
478,747.08x = 101,839,358,974.59 - Step 5: Solve for x
x = 101,839,358,974.59/478,747.08 - Step 6: Final answer
x = 212,720.59
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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.