Finding the Fourth Proportional to 242,987.94, 335,323.50 and 135,557.97
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Solution
The fourth proportional to 242,987.94, 335,323.50 and 135,557.97 is: 187,070.08
Step by Step Solution
- Step 1: Write the proportion equation
242,987.94 : 335,323.50 = 135,557.97 : x - Step 2: Convert to fraction form
242,987.94/335,323.50 = 135,557.97/x - Step 3: Cross multiply
242,987.94x = 335,323.50 × 135,557.97 - Step 4: Simplify right side
242,987.94x = 45,455,772,953.30 - Step 5: Solve for x
x = 45,455,772,953.30/242,987.94 - Step 6: Final answer
x = 187,070.08
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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.