Finding the Fourth Proportional to 322,415.04, 483,130.08 and 135,324.48
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Solution
The fourth proportional to 322,415.04, 483,130.08 and 135,324.48 is: 202,780.02
Step by Step Solution
- Step 1: Write the proportion equation
322,415.04 : 483,130.08 = 135,324.48 : x - Step 2: Convert to fraction form
322,415.04/483,130.08 = 135,324.48/x - Step 3: Cross multiply
322,415.04x = 483,130.08 × 135,324.48 - Step 4: Simplify right side
322,415.04x = 65,379,326,848.36 - Step 5: Solve for x
x = 65,379,326,848.36/322,415.04 - Step 6: Final answer
x = 202,780.02
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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.