Finding the Fourth Proportional to 258,598.84, 387,925.26 and 71,610.34
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Solution
The fourth proportional to 258,598.84, 387,925.26 and 71,610.34 is: 107,422.99
Step by Step Solution
- Step 1: Write the proportion equation
258,598.84 : 387,925.26 = 71,610.34 : x - Step 2: Convert to fraction form
258,598.84/387,925.26 = 71,610.34/x - Step 3: Cross multiply
258,598.84x = 387,925.26 × 71,610.34 - Step 4: Simplify right side
258,598.84x = 27,779,459,763.19 - Step 5: Solve for x
x = 27,779,459,763.19/258,598.84 - Step 6: Final answer
x = 107,422.99
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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.