Finding the Fourth Proportional to 439,214.08, 606,115.76 and 238,010.08
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Solution
The fourth proportional to 439,214.08, 606,115.76 and 238,010.08 is: 328,454.09
Step by Step Solution
- Step 1: Write the proportion equation
439,214.08 : 606,115.76 = 238,010.08 : x - Step 2: Convert to fraction form
439,214.08/606,115.76 = 238,010.08/x - Step 3: Cross multiply
439,214.08x = 606,115.76 × 238,010.08 - Step 4: Simplify right side
439,214.08x = 144,261,660,526.86 - Step 5: Solve for x
x = 144,261,660,526.86/439,214.08 - Step 6: Final answer
x = 328,454.09
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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.