Finding the Fourth Proportional to 452,359.80, 624,212.34 and 261,369.09
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Solution
The fourth proportional to 452,359.80, 624,212.34 and 261,369.09 is: 360,663.82
Step by Step Solution
- Step 1: Write the proportion equation
452,359.80 : 624,212.34 = 261,369.09 : x - Step 2: Convert to fraction form
452,359.80/624,212.34 = 261,369.09/x - Step 3: Cross multiply
452,359.80x = 624,212.34 × 261,369.09 - Step 4: Simplify right side
452,359.80x = 163,149,811,272.57 - Step 5: Solve for x
x = 163,149,811,272.57/452,359.80 - Step 6: Final answer
x = 360,663.82
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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.