Finding the Fourth Proportional to 494,705.80, 742,058.70 and 245,873.80
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Solution
The fourth proportional to 494,705.80, 742,058.70 and 245,873.80 is: 368,810.70
Step by Step Solution
- Step 1: Write the proportion equation
494,705.80 : 742,058.70 = 245,873.80 : x - Step 2: Convert to fraction form
494,705.80/742,058.70 = 245,873.80/x - Step 3: Cross multiply
494,705.80x = 742,058.70 × 245,873.80 - Step 4: Simplify right side
494,705.80x = 182,452,792,392.06 - Step 5: Solve for x
x = 182,452,792,392.06/494,705.80 - Step 6: Final answer
x = 368,810.70
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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.