Finding the Fourth Proportional to 372,660.62, 514,271.43 and 202,894.74
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Solution
The fourth proportional to 372,660.62, 514,271.43 and 202,894.74 is: 279,994.62
Step by Step Solution
- Step 1: Write the proportion equation
372,660.62 : 514,271.43 = 202,894.74 : x - Step 2: Convert to fraction form
372,660.62/514,271.43 = 202,894.74/x - Step 3: Cross multiply
372,660.62x = 514,271.43 × 202,894.74 - Step 4: Simplify right side
372,660.62x = 104,342,968,079.28 - Step 5: Solve for x
x = 104,342,968,079.28/372,660.62 - Step 6: Final answer
x = 279,994.62
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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.