Finding the Fourth Proportional to 456,694.19, 685,044.12 and 119,731.81
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Solution
The fourth proportional to 456,694.19, 685,044.12 and 119,731.81 is: 179,598.46
Step by Step Solution
- Step 1: Write the proportion equation
456,694.19 : 685,044.12 = 119,731.81 : x - Step 2: Convert to fraction form
456,694.19/685,044.12 = 119,731.81/x - Step 3: Cross multiply
456,694.19x = 685,044.12 × 119,731.81 - Step 4: Simplify right side
456,694.19x = 82,021,572,417.46 - Step 5: Solve for x
x = 82,021,572,417.46/456,694.19 - Step 6: Final answer
x = 179,598.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.