Finding the Fourth Proportional to 259,400.88, 357,972.48 and 144,679.68
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Solution
The fourth proportional to 259,400.88, 357,972.48 and 144,679.68 is: 199,657.55
Step by Step Solution
- Step 1: Write the proportion equation
259,400.88 : 357,972.48 = 144,679.68 : x - Step 2: Convert to fraction form
259,400.88/357,972.48 = 144,679.68/x - Step 3: Cross multiply
259,400.88x = 357,972.48 × 144,679.68 - Step 4: Simplify right side
259,400.88x = 51,791,343,855.21 - Step 5: Solve for x
x = 51,791,343,855.21/259,400.88 - Step 6: Final answer
x = 199,657.55
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1.5x scale
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.