Finding the Fourth Proportional to 523,289.36, 784,435.81 and 168,054.26
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Solution
The fourth proportional to 523,289.36, 784,435.81 and 168,054.26 is: 251,921.39
Step by Step Solution
- Step 1: Write the proportion equation
523,289.36 : 784,435.81 = 168,054.26 : x - Step 2: Convert to fraction form
523,289.36/784,435.81 = 168,054.26/x - Step 3: Cross multiply
523,289.36x = 784,435.81 × 168,054.26 - Step 4: Simplify right side
523,289.36x = 131,827,781,878.48 - Step 5: Solve for x
x = 131,827,781,878.48/523,289.36 - Step 6: Final answer
x = 251,921.39
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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.