Finding the Fourth Proportional to 319,682.74, 441,130.77 and 176,433.53
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Solution
The fourth proportional to 319,682.74, 441,130.77 and 176,433.53 is: 243,460.94
Step by Step Solution
- Step 1: Write the proportion equation
319,682.74 : 441,130.77 = 176,433.53 : x - Step 2: Convert to fraction form
319,682.74/441,130.77 = 176,433.53/x - Step 3: Cross multiply
319,682.74x = 441,130.77 × 176,433.53 - Step 4: Simplify right side
319,682.74x = 77,830,260,045.55 - Step 5: Solve for x
x = 77,830,260,045.55/319,682.74 - Step 6: Final answer
x = 243,460.94
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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.