Finding the Fourth Proportional to 166,088.97, 249,308.82 and 77,427.99
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Solution
The fourth proportional to 166,088.97, 249,308.82 and 77,427.99 is: 116,223.74
Step by Step Solution
- Step 1: Write the proportion equation
166,088.97 : 249,308.82 = 77,427.99 : x - Step 2: Convert to fraction form
166,088.97/249,308.82 = 77,427.99/x - Step 3: Cross multiply
166,088.97x = 249,308.82 × 77,427.99 - Step 4: Simplify right side
166,088.97x = 19,303,480,821.87 - Step 5: Solve for x
x = 19,303,480,821.87/166,088.97 - Step 6: Final answer
x = 116,223.74
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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.