Finding the Fourth Proportional to 660,030.44, 910,842.50 and 358,224.36
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Solution
The fourth proportional to 660,030.44, 910,842.50 and 358,224.36 is: 494,349.88
Step by Step Solution
- Step 1: Write the proportion equation
660,030.44 : 910,842.50 = 358,224.36 : x - Step 2: Convert to fraction form
660,030.44/910,842.50 = 358,224.36/x - Step 3: Cross multiply
660,030.44x = 910,842.50 × 358,224.36 - Step 4: Simplify right side
660,030.44x = 326,285,971,623.30 - Step 5: Solve for x
x = 326,285,971,623.30/660,030.44 - Step 6: Final answer
x = 494,349.88
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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.