Finding the Fourth Proportional to 384,011.79, 575,828.14 and 117,708.09
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Solution
The fourth proportional to 384,011.79, 575,828.14 and 117,708.09 is: 176,504.04
Step by Step Solution
- Step 1: Write the proportion equation
384,011.79 : 575,828.14 = 117,708.09 : x - Step 2: Convert to fraction form
384,011.79/575,828.14 = 117,708.09/x - Step 3: Cross multiply
384,011.79x = 575,828.14 × 117,708.09 - Step 4: Simplify right side
384,011.79x = 67,779,630,527.65 - Step 5: Solve for x
x = 67,779,630,527.65/384,011.79 - Step 6: Final answer
x = 176,504.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.