Finding the Fourth Proportional to 322,539.70, 483,809.55 and 97,899.70
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Solution
The fourth proportional to 322,539.70, 483,809.55 and 97,899.70 is: 146,849.55
Step by Step Solution
- Step 1: Write the proportion equation
322,539.70 : 483,809.55 = 97,899.70 : x - Step 2: Convert to fraction form
322,539.70/483,809.55 = 97,899.70/x - Step 3: Cross multiply
322,539.70x = 483,809.55 × 97,899.70 - Step 4: Simplify right side
322,539.70x = 47,364,809,802.14 - Step 5: Solve for x
x = 47,364,809,802.14/322,539.70 - Step 6: Final answer
x = 146,849.55
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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.