Finding the Fourth Proportional to 139,655.07, 209,497.09 and 59,701.48
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Solution
The fourth proportional to 139,655.07, 209,497.09 and 59,701.48 is: 89,558.41
Step by Step Solution
- Step 1: Write the proportion equation
139,655.07 : 209,497.09 = 59,701.48 : x - Step 2: Convert to fraction form
139,655.07/209,497.09 = 59,701.48/x - Step 3: Cross multiply
139,655.07x = 209,497.09 × 59,701.48 - Step 4: Simplify right side
139,655.07x = 12,507,286,127.07 - Step 5: Solve for x
x = 12,507,286,127.07/139,655.07 - Step 6: Final answer
x = 89,558.41
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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.