Finding the Fourth Proportional to 360,444.61, 497,393.49 and 199,289.98
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Solution
The fourth proportional to 360,444.61, 497,393.49 and 199,289.98 is: 275,009.07
Step by Step Solution
- Step 1: Write the proportion equation
360,444.61 : 497,393.49 = 199,289.98 : x - Step 2: Convert to fraction form
360,444.61/497,393.49 = 199,289.98/x - Step 3: Cross multiply
360,444.61x = 497,393.49 × 199,289.98 - Step 4: Simplify right side
360,444.61x = 99,125,538,674.23 - Step 5: Solve for x
x = 99,125,538,674.23/360,444.61 - Step 6: Final answer
x = 275,009.07
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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.