Finding the Fourth Proportional to 346,518.84, 519,960.40 and 245,965.80
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Solution
The fourth proportional to 346,518.84, 519,960.40 and 245,965.80 is: 369,077.99
Step by Step Solution
- Step 1: Write the proportion equation
346,518.84 : 519,960.40 = 245,965.80 : x - Step 2: Convert to fraction form
346,518.84/519,960.40 = 245,965.80/x - Step 3: Cross multiply
346,518.84x = 519,960.40 × 245,965.80 - Step 4: Simplify right side
346,518.84x = 127,892,475,754.32 - Step 5: Solve for x
x = 127,892,475,754.32/346,518.84 - Step 6: Final answer
x = 369,077.99
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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.