Finding the Fourth Proportional to 472,416.63, 708,627.54 and 117,430.65
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Solution
The fourth proportional to 472,416.63, 708,627.54 and 117,430.65 is: 176,146.62
Step by Step Solution
- Step 1: Write the proportion equation
472,416.63 : 708,627.54 = 117,430.65 : x - Step 2: Convert to fraction form
472,416.63/708,627.54 = 117,430.65/x - Step 3: Cross multiply
472,416.63x = 708,627.54 × 117,430.65 - Step 4: Simplify right side
472,416.63x = 83,214,592,630.10 - Step 5: Solve for x
x = 83,214,592,630.10/472,416.63 - Step 6: Final answer
x = 176,146.62
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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.