Finding the Fourth Proportional to 348,519.74, 480,937.30 and 193,463.06
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Solution
The fourth proportional to 348,519.74, 480,937.30 and 193,463.06 is: 266,967.95
Step by Step Solution
- Step 1: Write the proportion equation
348,519.74 : 480,937.30 = 193,463.06 : x - Step 2: Convert to fraction form
348,519.74/480,937.30 = 193,463.06/x - Step 3: Cross multiply
348,519.74x = 480,937.30 × 193,463.06 - Step 4: Simplify right side
348,519.74x = 93,043,598,837.79 - Step 5: Solve for x
x = 93,043,598,837.79/348,519.74 - Step 6: Final answer
x = 266,967.95
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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.