Finding the Fourth Proportional to 478,703.07, 718,056.87 and 141,750.06
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Solution
The fourth proportional to 478,703.07, 718,056.87 and 141,750.06 is: 212,625.76
Step by Step Solution
- Step 1: Write the proportion equation
478,703.07 : 718,056.87 = 141,750.06 : x - Step 2: Convert to fraction form
478,703.07/718,056.87 = 141,750.06/x - Step 3: Cross multiply
478,703.07x = 718,056.87 × 141,750.06 - Step 4: Simplify right side
478,703.07x = 101,784,604,405.91 - Step 5: Solve for x
x = 101,784,604,405.91/478,703.07 - Step 6: Final answer
x = 212,625.76
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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.