Finding the Fourth Proportional to 304,384.74, 420,219.87 and 183,556.63
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Solution
The fourth proportional to 304,384.74, 420,219.87 and 183,556.63 is: 253,410.02
Step by Step Solution
- Step 1: Write the proportion equation
304,384.74 : 420,219.87 = 183,556.63 : x - Step 2: Convert to fraction form
304,384.74/420,219.87 = 183,556.63/x - Step 3: Cross multiply
304,384.74x = 420,219.87 × 183,556.63 - Step 4: Simplify right side
304,384.74x = 77,134,142,278.46 - Step 5: Solve for x
x = 77,134,142,278.46/304,384.74 - Step 6: Final answer
x = 253,410.02
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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.