Finding the Fourth Proportional to 292,357.08, 438,535.65 and 70,741.08
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Solution
The fourth proportional to 292,357.08, 438,535.65 and 70,741.08 is: 106,111.63
Step by Step Solution
- Step 1: Write the proportion equation
292,357.08 : 438,535.65 = 70,741.08 : x - Step 2: Convert to fraction form
292,357.08/438,535.65 = 70,741.08/x - Step 3: Cross multiply
292,357.08x = 438,535.65 × 70,741.08 - Step 4: Simplify right side
292,357.08x = 31,022,485,499.50 - Step 5: Solve for x
x = 31,022,485,499.50/292,357.08 - Step 6: Final answer
x = 106,111.63
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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.