Finding the Fourth Proportional to 477,739.62, 716,703.30 and 157,878.54
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Solution
The fourth proportional to 477,739.62, 716,703.30 and 157,878.54 is: 236,848.83
Step by Step Solution
- Step 1: Write the proportion equation
477,739.62 : 716,703.30 = 157,878.54 : x - Step 2: Convert to fraction form
477,739.62/716,703.30 = 157,878.54/x - Step 3: Cross multiply
477,739.62x = 716,703.30 × 157,878.54 - Step 4: Simplify right side
477,739.62x = 113,152,070,617.18 - Step 5: Solve for x
x = 113,152,070,617.18/477,739.62 - Step 6: Final answer
x = 236,848.83
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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.