Finding the Fourth Proportional to 439,595.84, 606,642.60 and 238,391.84
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Solution
The fourth proportional to 439,595.84, 606,642.60 and 238,391.84 is: 328,980.92
Step by Step Solution
- Step 1: Write the proportion equation
439,595.84 : 606,642.60 = 238,391.84 : x - Step 2: Convert to fraction form
439,595.84/606,642.60 = 238,391.84/x - Step 3: Cross multiply
439,595.84x = 606,642.60 × 238,391.84 - Step 4: Simplify right side
439,595.84x = 144,618,645,636.38 - Step 5: Solve for x
x = 144,618,645,636.38/439,595.84 - Step 6: Final answer
x = 328,980.92
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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.