Finding the Fourth Proportional to 372,679.07, 514,281.80 and 211,531.19
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Solution
The fourth proportional to 372,679.07, 514,281.80 and 211,531.19 is: 291,904.34
Step by Step Solution
- Step 1: Write the proportion equation
372,679.07 : 514,281.80 = 211,531.19 : x - Step 2: Convert to fraction form
372,679.07/514,281.80 = 211,531.19/x - Step 3: Cross multiply
372,679.07x = 514,281.80 × 211,531.19 - Step 4: Simplify right side
372,679.07x = 108,786,637,520.28 - Step 5: Solve for x
x = 108,786,637,520.28/372,679.07 - Step 6: Final answer
x = 291,904.34
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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.