Finding the Fourth Proportional to 370,455.42, 555,075.62 and 157,052.82
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Solution
The fourth proportional to 370,455.42, 555,075.62 and 157,052.82 is: 235,321.68
Step by Step Solution
- Step 1: Write the proportion equation
370,455.42 : 555,075.62 = 157,052.82 : x - Step 2: Convert to fraction form
370,455.42/555,075.62 = 157,052.82/x - Step 3: Cross multiply
370,455.42x = 555,075.62 × 157,052.82 - Step 4: Simplify right side
370,455.42x = 87,176,191,434.25 - Step 5: Solve for x
x = 87,176,191,434.25/370,455.42 - Step 6: Final answer
x = 235,321.68
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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.