Finding the Fourth Proportional to 640,482.96, 883,869.96 and 350,094.92
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Solution
The fourth proportional to 640,482.96, 883,869.96 and 350,094.92 is: 483,132.88
Step by Step Solution
- Step 1: Write the proportion equation
640,482.96 : 883,869.96 = 350,094.92 : x - Step 2: Convert to fraction form
640,482.96/883,869.96 = 350,094.92/x - Step 3: Cross multiply
640,482.96x = 883,869.96 × 350,094.92 - Step 4: Simplify right side
640,482.96x = 309,438,378,517.25 - Step 5: Solve for x
x = 309,438,378,517.25/640,482.96 - Step 6: Final answer
x = 483,132.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.