Finding the Fourth Proportional to 166,031.05, 249,054.35 and 53,720.06
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Solution
The fourth proportional to 166,031.05, 249,054.35 and 53,720.06 is: 80,582.61
Step by Step Solution
- Step 1: Write the proportion equation
166,031.05 : 249,054.35 = 53,720.06 : x - Step 2: Convert to fraction form
166,031.05/249,054.35 = 53,720.06/x - Step 3: Cross multiply
166,031.05x = 249,054.35 × 53,720.06 - Step 4: Simplify right side
166,031.05x = 13,379,214,625.26 - Step 5: Solve for x
x = 13,379,214,625.26/166,031.05 - Step 6: Final answer
x = 80,582.61
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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.