Finding the Fourth Proportional to 515,201.96, 710,844.18 and 297,357.32
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Solution
The fourth proportional to 515,201.96, 710,844.18 and 297,357.32 is: 410,275.46
Step by Step Solution
- Step 1: Write the proportion equation
515,201.96 : 710,844.18 = 297,357.32 : x - Step 2: Convert to fraction form
515,201.96/710,844.18 = 297,357.32/x - Step 3: Cross multiply
515,201.96x = 710,844.18 × 297,357.32 - Step 4: Simplify right side
515,201.96x = 211,374,720,302.40 - Step 5: Solve for x
x = 211,374,720,302.40/515,201.96 - Step 6: Final answer
x = 410,275.46
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1.5x scale
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.