Finding the Fourth Proportional to 439,557.84, 606,590.16 and 238,353.84
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Solution
The fourth proportional to 439,557.84, 606,590.16 and 238,353.84 is: 328,928.48
Step by Step Solution
- Step 1: Write the proportion equation
439,557.84 : 606,590.16 = 238,353.84 : x - Step 2: Convert to fraction form
439,557.84/606,590.16 = 238,353.84/x - Step 3: Cross multiply
439,557.84x = 606,590.16 × 238,353.84 - Step 4: Simplify right side
439,557.84x = 144,583,093,942.21 - Step 5: Solve for x
x = 144,583,093,942.21/439,557.84 - Step 6: Final answer
x = 328,928.48
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1.5x scale
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.