Finding the Fourth Proportional to 340,332.66, 468,646.17 and 332,780.49
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Solution
The fourth proportional to 340,332.66, 468,646.17 and 332,780.49 is: 458,246.65
Step by Step Solution
- Step 1: Write the proportion equation
340,332.66 : 468,646.17 = 332,780.49 : x - Step 2: Convert to fraction form
340,332.66/468,646.17 = 332,780.49/x - Step 3: Cross multiply
340,332.66x = 468,646.17 × 332,780.49 - Step 4: Simplify right side
340,332.66x = 155,956,302,089.22 - Step 5: Solve for x
x = 155,956,302,089.22/340,332.66 - Step 6: Final answer
x = 458,246.65
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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.