Finding the Fourth Proportional to 499,722.64, 689,615.18 and 270,280.18
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Solution
The fourth proportional to 499,722.64, 689,615.18 and 270,280.18 is: 372,985.53
Step by Step Solution
- Step 1: Write the proportion equation
499,722.64 : 689,615.18 = 270,280.18 : x - Step 2: Convert to fraction form
499,722.64/689,615.18 = 270,280.18/x - Step 3: Cross multiply
499,722.64x = 689,615.18 × 270,280.18 - Step 4: Simplify right side
499,722.64x = 186,389,314,981.13 - Step 5: Solve for x
x = 186,389,314,981.13/499,722.64 - Step 6: Final answer
x = 372,985.53
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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.