Finding the Fourth Proportional to 346,713.30, 520,069.95 and 306,623.70
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Solution
The fourth proportional to 346,713.30, 520,069.95 and 306,623.70 is: 459,935.55
Step by Step Solution
- Step 1: Write the proportion equation
346,713.30 : 520,069.95 = 306,623.70 : x - Step 2: Convert to fraction form
346,713.30/520,069.95 = 306,623.70/x - Step 3: Cross multiply
346,713.30x = 520,069.95 × 306,623.70 - Step 4: Simplify right side
346,713.30x = 159,465,772,327.82 - Step 5: Solve for x
x = 159,465,772,327.82/346,713.30 - Step 6: Final answer
x = 459,935.55
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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.