Finding the Fourth Proportional to 258,746.08, 387,987.92 and 118,384.44
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Solution
The fourth proportional to 258,746.08, 387,987.92 and 118,384.44 is: 177,516.63
Step by Step Solution
- Step 1: Write the proportion equation
258,746.08 : 387,987.92 = 118,384.44 : x - Step 2: Convert to fraction form
258,746.08/387,987.92 = 118,384.44/x - Step 3: Cross multiply
258,746.08x = 387,987.92 × 118,384.44 - Step 4: Simplify right side
258,746.08x = 45,931,732,635.96 - Step 5: Solve for x
x = 45,931,732,635.96/258,746.08 - Step 6: Final answer
x = 177,516.63
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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.