Finding the Fourth Proportional to 291,319.16, 402,014.24 and 162,257.23
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Solution
The fourth proportional to 291,319.16, 402,014.24 and 162,257.23 is: 223,911.52
Step by Step Solution
- Step 1: Write the proportion equation
291,319.16 : 402,014.24 = 162,257.23 : x - Step 2: Convert to fraction form
291,319.16/402,014.24 = 162,257.23/x - Step 3: Cross multiply
291,319.16x = 402,014.24 × 162,257.23 - Step 4: Simplify right side
291,319.16x = 65,229,717,002.96 - Step 5: Solve for x
x = 65,229,717,002.96/291,319.16 - Step 6: Final answer
x = 223,911.52
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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.