Finding the Fourth Proportional to 187,451.14, 258,681.50 and 101,409.88
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Solution
The fourth proportional to 187,451.14, 258,681.50 and 101,409.88 is: 139,945.06
Step by Step Solution
- Step 1: Write the proportion equation
187,451.14 : 258,681.50 = 101,409.88 : x - Step 2: Convert to fraction form
187,451.14/258,681.50 = 101,409.88/x - Step 3: Cross multiply
187,451.14x = 258,681.50 × 101,409.88 - Step 4: Simplify right side
187,451.14x = 26,232,860,312.32 - Step 5: Solve for x
x = 26,232,860,312.32/187,451.14 - Step 6: Final answer
x = 139,945.06
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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.