Finding the Fourth Proportional to 101,569.74, 152,312.49 and 38,378.94
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Solution
The fourth proportional to 101,569.74, 152,312.49 and 38,378.94 is: 57,552.49
Step by Step Solution
- Step 1: Write the proportion equation
101,569.74 : 152,312.49 = 38,378.94 : x - Step 2: Convert to fraction form
101,569.74/152,312.49 = 38,378.94/x - Step 3: Cross multiply
101,569.74x = 152,312.49 × 38,378.94 - Step 4: Simplify right side
101,569.74x = 5,845,591,914.96 - Step 5: Solve for x
x = 5,845,591,914.96/101,569.74 - Step 6: Final answer
x = 57,552.49
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1.5x scale
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.