Finding the Fourth Proportional to 616,235.70, 850,389.36 and 344,305.53
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Solution
The fourth proportional to 616,235.70, 850,389.36 and 344,305.53 is: 475,132.74
Step by Step Solution
- Step 1: Write the proportion equation
616,235.70 : 850,389.36 = 344,305.53 : x - Step 2: Convert to fraction form
616,235.70/850,389.36 = 344,305.53/x - Step 3: Cross multiply
616,235.70x = 850,389.36 × 344,305.53 - Step 4: Simplify right side
616,235.70x = 292,793,759,301.16 - Step 5: Solve for x
x = 292,793,759,301.16/616,235.70 - Step 6: Final answer
x = 475,132.74
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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.