Finding the Fourth Proportional to 370,533.22, 511,312.07 and 207,203.18
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Solution
The fourth proportional to 370,533.22, 511,312.07 and 207,203.18 is: 285,927.09
Step by Step Solution
- Step 1: Write the proportion equation
370,533.22 : 511,312.07 = 207,203.18 : x - Step 2: Convert to fraction form
370,533.22/511,312.07 = 207,203.18/x - Step 3: Cross multiply
370,533.22x = 511,312.07 × 207,203.18 - Step 4: Simplify right side
370,533.22x = 105,945,486,876.38 - Step 5: Solve for x
x = 105,945,486,876.38/370,533.22 - Step 6: Final answer
x = 285,927.09
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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.