Finding the Fourth Proportional to 419,044.29, 578,342.08 and 235,303.48
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Solution
The fourth proportional to 419,044.29, 578,342.08 and 235,303.48 is: 324,753.03
Step by Step Solution
- Step 1: Write the proportion equation
419,044.29 : 578,342.08 = 235,303.48 : x - Step 2: Convert to fraction form
419,044.29/578,342.08 = 235,303.48/x - Step 3: Cross multiply
419,044.29x = 578,342.08 × 235,303.48 - Step 4: Simplify right side
419,044.29x = 136,085,903,747.91 - Step 5: Solve for x
x = 136,085,903,747.91/419,044.29 - Step 6: Final answer
x = 324,753.03
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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.