Finding the Fourth Proportional to 343,417.10, 515,125.65 and 325,921.10
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Solution
The fourth proportional to 343,417.10, 515,125.65 and 325,921.10 is: 488,881.65
Step by Step Solution
- Step 1: Write the proportion equation
343,417.10 : 515,125.65 = 325,921.10 : x - Step 2: Convert to fraction form
343,417.10/515,125.65 = 325,921.10/x - Step 3: Cross multiply
343,417.10x = 515,125.65 × 325,921.10 - Step 4: Simplify right side
343,417.10x = 167,890,318,486.22 - Step 5: Solve for x
x = 167,890,318,486.22/343,417.10 - Step 6: Final answer
x = 488,881.65
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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.