Finding the Fourth Proportional to 318,930.84, 478,395.72 and 94,294.08
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Solution
The fourth proportional to 318,930.84, 478,395.72 and 94,294.08 is: 141,440.96
Step by Step Solution
- Step 1: Write the proportion equation
318,930.84 : 478,395.72 = 94,294.08 : x - Step 2: Convert to fraction form
318,930.84/478,395.72 = 94,294.08/x - Step 3: Cross multiply
318,930.84x = 478,395.72 × 94,294.08 - Step 4: Simplify right side
318,930.84x = 45,109,884,293.34 - Step 5: Solve for x
x = 45,109,884,293.34/318,930.84 - Step 6: Final answer
x = 141,440.96
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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.