Finding the Fourth Proportional to 310,009.50, 465,018.57 and 88,393.50
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Solution
The fourth proportional to 310,009.50, 465,018.57 and 88,393.50 is: 132,591.48
Step by Step Solution
- Step 1: Write the proportion equation
310,009.50 : 465,018.57 = 88,393.50 : x - Step 2: Convert to fraction form
310,009.50/465,018.57 = 88,393.50/x - Step 3: Cross multiply
310,009.50x = 465,018.57 × 88,393.50 - Step 4: Simplify right side
310,009.50x = 41,104,618,967.30 - Step 5: Solve for x
x = 41,104,618,967.30/310,009.50 - Step 6: Final answer
x = 132,591.48
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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.