Finding the Fourth Proportional to 304,648.60, 420,282.68 and 183,722.68
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Solution
The fourth proportional to 304,648.60, 420,282.68 and 183,722.68 is: 253,457.46
Step by Step Solution
- Step 1: Write the proportion equation
304,648.60 : 420,282.68 = 183,722.68 : x - Step 2: Convert to fraction form
304,648.60/420,282.68 = 183,722.68/x - Step 3: Cross multiply
304,648.60x = 420,282.68 × 183,722.68 - Step 4: Simplify right side
304,648.60x = 77,215,460,327.18 - Step 5: Solve for x
x = 77,215,460,327.18/304,648.60 - Step 6: Final answer
x = 253,457.46
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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.