Finding the Fourth Proportional to 432,203.86, 595,727.46 and 288,911.62
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Solution
The fourth proportional to 432,203.86, 595,727.46 and 288,911.62 is: 398,220.84
Step by Step Solution
- Step 1: Write the proportion equation
432,203.86 : 595,727.46 = 288,911.62 : x - Step 2: Convert to fraction form
432,203.86/595,727.46 = 288,911.62/x - Step 3: Cross multiply
432,203.86x = 595,727.46 × 288,911.62 - Step 4: Simplify right side
432,203.86x = 172,112,585,547.09 - Step 5: Solve for x
x = 172,112,585,547.09/432,203.86 - Step 6: Final answer
x = 398,220.84
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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.