Finding the Fourth Proportional to 432,838.79, 649,258.19 and 117,295.68
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Solution
The fourth proportional to 432,838.79, 649,258.19 and 117,295.68 is: 175,943.52
Step by Step Solution
- Step 1: Write the proportion equation
432,838.79 : 649,258.19 = 117,295.68 : x - Step 2: Convert to fraction form
432,838.79/649,258.19 = 117,295.68/x - Step 3: Cross multiply
432,838.79x = 649,258.19 × 117,295.68 - Step 4: Simplify right side
432,838.79x = 76,155,180,305.14 - Step 5: Solve for x
x = 76,155,180,305.14/432,838.79 - Step 6: Final answer
x = 175,943.52
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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.