Finding the Fourth Proportional to 353,235.60, 528,643.80 and 213,094.80
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Solution
The fourth proportional to 353,235.60, 528,643.80 and 213,094.80 is: 318,912.49
Step by Step Solution
- Step 1: Write the proportion equation
353,235.60 : 528,643.80 = 213,094.80 : x - Step 2: Convert to fraction form
353,235.60/528,643.80 = 213,094.80/x - Step 3: Cross multiply
353,235.60x = 528,643.80 × 213,094.80 - Step 4: Simplify right side
353,235.60x = 112,651,244,832.24 - Step 5: Solve for x
x = 112,651,244,832.24/353,235.60 - Step 6: Final answer
x = 318,912.49
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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.