Finding the Fourth Proportional to 442,387.55, 610,488.99 and 248,795.19
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Solution
The fourth proportional to 442,387.55, 610,488.99 and 248,795.19 is: 343,334.09
Step by Step Solution
- Step 1: Write the proportion equation
442,387.55 : 610,488.99 = 248,795.19 : x - Step 2: Convert to fraction form
442,387.55/610,488.99 = 248,795.19/x - Step 3: Cross multiply
442,387.55x = 610,488.99 × 248,795.19 - Step 4: Simplify right side
442,387.55x = 151,886,724,259.96 - Step 5: Solve for x
x = 151,886,724,259.96/442,387.55 - Step 6: Final answer
x = 343,334.09
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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.