Finding the Fourth Proportional to 351,695.47, 485,071.95 and 302,720.44
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Solution
The fourth proportional to 351,695.47, 485,071.95 and 302,720.44 is: 417,523.70
Step by Step Solution
- Step 1: Write the proportion equation
351,695.47 : 485,071.95 = 302,720.44 : x - Step 2: Convert to fraction form
351,695.47/485,071.95 = 302,720.44/x - Step 3: Cross multiply
351,695.47x = 485,071.95 × 302,720.44 - Step 4: Simplify right side
351,695.47x = 146,841,194,135.66 - Step 5: Solve for x
x = 146,841,194,135.66/351,695.47 - Step 6: Final answer
x = 417,523.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.