Finding the Fourth Proportional to 403,420.42, 556,794.84 and 233,654.50
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Solution
The fourth proportional to 403,420.42, 556,794.84 and 233,654.50 is: 322,486.45
Step by Step Solution
- Step 1: Write the proportion equation
403,420.42 : 556,794.84 = 233,654.50 : x - Step 2: Convert to fraction form
403,420.42/556,794.84 = 233,654.50/x - Step 3: Cross multiply
403,420.42x = 556,794.84 × 233,654.50 - Step 4: Simplify right side
403,420.42x = 130,097,619,942.78 - Step 5: Solve for x
x = 130,097,619,942.78/403,420.42 - Step 6: Final answer
x = 322,486.45
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1.5x scale
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.