Finding the Fourth Proportional to 258,526.68, 387,580.86 and 116,267.79
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Solution
The fourth proportional to 258,526.68, 387,580.86 and 116,267.79 is: 174,307.62
Step by Step Solution
- Step 1: Write the proportion equation
258,526.68 : 387,580.86 = 116,267.79 : x - Step 2: Convert to fraction form
258,526.68/387,580.86 = 116,267.79/x - Step 3: Cross multiply
258,526.68x = 387,580.86 × 116,267.79 - Step 4: Simplify right side
258,526.68x = 45,063,170,038.50 - Step 5: Solve for x
x = 45,063,170,038.50/258,526.68 - Step 6: Final answer
x = 174,307.62
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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.