Finding the Fourth Proportional to 427,320.06, 640,528.08 and 160,965.36
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Solution
The fourth proportional to 427,320.06, 640,528.08 and 160,965.36 is: 241,277.77
Step by Step Solution
- Step 1: Write the proportion equation
427,320.06 : 640,528.08 = 160,965.36 : x - Step 2: Convert to fraction form
427,320.06/640,528.08 = 160,965.36/x - Step 3: Cross multiply
427,320.06x = 640,528.08 × 160,965.36 - Step 4: Simplify right side
427,320.06x = 103,102,832,987.31 - Step 5: Solve for x
x = 103,102,832,987.31/427,320.06 - Step 6: Final answer
x = 241,277.77
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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.