Finding the Fourth Proportional to 499,302.60, 689,037.60 and 272,948.08
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Solution
The fourth proportional to 499,302.60, 689,037.60 and 272,948.08 is: 376,668.36
Step by Step Solution
- Step 1: Write the proportion equation
499,302.60 : 689,037.60 = 272,948.08 : x - Step 2: Convert to fraction form
499,302.60/689,037.60 = 272,948.08/x - Step 3: Cross multiply
499,302.60x = 689,037.60 × 272,948.08 - Step 4: Simplify right side
499,302.60x = 188,071,489,967.81 - Step 5: Solve for x
x = 188,071,489,967.81/499,302.60 - Step 6: Final answer
x = 376,668.36
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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.