Finding the Fourth Proportional to 308,355.71, 462,564.34 and 83,719.76
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Solution
The fourth proportional to 308,355.71, 462,564.34 and 83,719.76 is: 125,587.99
Step by Step Solution
- Step 1: Write the proportion equation
308,355.71 : 462,564.34 = 83,719.76 : x - Step 2: Convert to fraction form
308,355.71/462,564.34 = 83,719.76/x - Step 3: Cross multiply
308,355.71x = 462,564.34 × 83,719.76 - Step 4: Simplify right side
308,355.71x = 38,725,773,007.24 - Step 5: Solve for x
x = 38,725,773,007.24/308,355.71 - Step 6: Final answer
x = 125,587.99
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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.