Finding the Fourth Proportional to 348,294.48, 480,698.93 and 212,407.26
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Solution
The fourth proportional to 348,294.48, 480,698.93 and 212,407.26 is: 293,154.06
Step by Step Solution
- Step 1: Write the proportion equation
348,294.48 : 480,698.93 = 212,407.26 : x - Step 2: Convert to fraction form
348,294.48/480,698.93 = 212,407.26/x - Step 3: Cross multiply
348,294.48x = 480,698.93 × 212,407.26 - Step 4: Simplify right side
348,294.48x = 102,103,941,544.20 - Step 5: Solve for x
x = 102,103,941,544.20/348,294.48 - Step 6: Final answer
x = 293,154.06
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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.