Finding the Fourth Proportional to 292,286.70, 438,430.05 and 150,569.10
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Solution
The fourth proportional to 292,286.70, 438,430.05 and 150,569.10 is: 225,853.65
Step by Step Solution
- Step 1: Write the proportion equation
292,286.70 : 438,430.05 = 150,569.10 : x - Step 2: Convert to fraction form
292,286.70/438,430.05 = 150,569.10/x - Step 3: Cross multiply
292,286.70x = 438,430.05 × 150,569.10 - Step 4: Simplify right side
292,286.70x = 66,014,018,041.46 - Step 5: Solve for x
x = 66,014,018,041.46/292,286.70 - Step 6: Final answer
x = 225,853.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.