Finding the Fourth Proportional to 153,327.08, 229,989.54 and 42,519.08
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Solution
The fourth proportional to 153,327.08, 229,989.54 and 42,519.08 is: 63,778.32
Step by Step Solution
- Step 1: Write the proportion equation
153,327.08 : 229,989.54 = 42,519.08 : x - Step 2: Convert to fraction form
153,327.08/229,989.54 = 42,519.08/x - Step 3: Cross multiply
153,327.08x = 229,989.54 × 42,519.08 - Step 4: Simplify right side
153,327.08x = 9,778,943,650.42 - Step 5: Solve for x
x = 9,778,943,650.42/153,327.08 - Step 6: Final answer
x = 63,778.32
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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.