Finding the Fourth Proportional to 432,838.84, 649,258.42 and 112,989.80
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Solution
The fourth proportional to 432,838.84, 649,258.42 and 112,989.80 is: 169,484.75
Step by Step Solution
- Step 1: Write the proportion equation
432,838.84 : 649,258.42 = 112,989.80 : x - Step 2: Convert to fraction form
432,838.84/649,258.42 = 112,989.80/x - Step 3: Cross multiply
432,838.84x = 649,258.42 × 112,989.80 - Step 4: Simplify right side
432,838.84x = 73,359,580,576.64 - Step 5: Solve for x
x = 73,359,580,576.64/432,838.84 - Step 6: Final answer
x = 169,484.75
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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.