Finding the Fourth Proportional to 402,442.94, 555,139.99 and 251,277.50
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Solution
The fourth proportional to 402,442.94, 555,139.99 and 251,277.50 is: 346,618.55
Step by Step Solution
- Step 1: Write the proportion equation
402,442.94 : 555,139.99 = 251,277.50 : x - Step 2: Convert to fraction form
402,442.94/555,139.99 = 251,277.50/x - Step 3: Cross multiply
402,442.94x = 555,139.99 × 251,277.50 - Step 4: Simplify right side
402,442.94x = 139,494,190,539.17 - Step 5: Solve for x
x = 139,494,190,539.17/402,442.94 - Step 6: Final answer
x = 346,618.55
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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.