Finding the Fourth Proportional to 187,579.02, 258,883.70 and 106,988.07
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Solution
The fourth proportional to 187,579.02, 258,883.70 and 106,988.07 is: 147,657.60
Step by Step Solution
- Step 1: Write the proportion equation
187,579.02 : 258,883.70 = 106,988.07 : x - Step 2: Convert to fraction form
187,579.02/258,883.70 = 106,988.07/x - Step 3: Cross multiply
187,579.02x = 258,883.70 × 106,988.07 - Step 4: Simplify right side
187,579.02x = 27,697,467,417.46 - Step 5: Solve for x
x = 27,697,467,417.46/187,579.02 - Step 6: Final answer
x = 147,657.60
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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.