Finding the Fourth Proportional to 180,207.87, 248,681.91 and 99,638.79
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Solution
The fourth proportional to 180,207.87, 248,681.91 and 99,638.79 is: 137,498.79
Step by Step Solution
- Step 1: Write the proportion equation
180,207.87 : 248,681.91 = 99,638.79 : x - Step 2: Convert to fraction form
180,207.87/248,681.91 = 99,638.79/x - Step 3: Cross multiply
180,207.87x = 248,681.91 × 99,638.79 - Step 4: Simplify right side
180,207.87x = 24,778,364,607.29 - Step 5: Solve for x
x = 24,778,364,607.29/180,207.87 - Step 6: Final answer
x = 137,498.79
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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.