Finding the Fourth Proportional to 349,618.40, 524,427.60 and 310,252.40
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Solution
The fourth proportional to 349,618.40, 524,427.60 and 310,252.40 is: 465,378.60
Step by Step Solution
- Step 1: Write the proportion equation
349,618.40 : 524,427.60 = 310,252.40 : x - Step 2: Convert to fraction form
349,618.40/524,427.60 = 310,252.40/x - Step 3: Cross multiply
349,618.40x = 524,427.60 × 310,252.40 - Step 4: Simplify right side
349,618.40x = 162,704,921,526.24 - Step 5: Solve for x
x = 162,704,921,526.24/349,618.40 - Step 6: Final answer
x = 465,378.60
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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.