Finding the Fourth Proportional to 426,276.09, 588,261.06 and 235,289.55
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Solution
The fourth proportional to 426,276.09, 588,261.06 and 235,289.55 is: 324,699.61
Step by Step Solution
- Step 1: Write the proportion equation
426,276.09 : 588,261.06 = 235,289.55 : x - Step 2: Convert to fraction form
426,276.09/588,261.06 = 235,289.55/x - Step 3: Cross multiply
426,276.09x = 588,261.06 × 235,289.55 - Step 4: Simplify right side
426,276.09x = 138,411,680,089.92 - Step 5: Solve for x
x = 138,411,680,089.92/426,276.09 - Step 6: Final answer
x = 324,699.61
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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.