Finding the Fourth Proportional to 439,523.84, 606,543.28 and 238,319.84
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Solution
The fourth proportional to 439,523.84, 606,543.28 and 238,319.84 is: 328,881.59
Step by Step Solution
- Step 1: Write the proportion equation
439,523.84 : 606,543.28 = 238,319.84 : x - Step 2: Convert to fraction form
439,523.84/606,543.28 = 238,319.84/x - Step 3: Cross multiply
439,523.84x = 606,543.28 × 238,319.84 - Step 4: Simplify right side
439,523.84x = 144,551,297,442.68 - Step 5: Solve for x
x = 144,551,297,442.68/439,523.84 - Step 6: Final answer
x = 328,881.59
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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.