Finding the Fourth Proportional to 345,090.64, 476,235.66 and 187,937.12
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Solution
The fourth proportional to 345,090.64, 476,235.66 and 187,937.12 is: 259,358.99
Step by Step Solution
- Step 1: Write the proportion equation
345,090.64 : 476,235.66 = 187,937.12 : x - Step 2: Convert to fraction form
345,090.64/476,235.66 = 187,937.12/x - Step 3: Cross multiply
345,090.64x = 476,235.66 × 187,937.12 - Step 4: Simplify right side
345,090.64x = 89,502,358,381.70 - Step 5: Solve for x
x = 89,502,358,381.70/345,090.64 - Step 6: Final answer
x = 259,358.99
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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.