Finding the Fourth Proportional to 608,083.28, 912,140.60 and 288,160.08
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Solution
The fourth proportional to 608,083.28, 912,140.60 and 288,160.08 is: 432,247.55
Step by Step Solution
- Step 1: Write the proportion equation
608,083.28 : 912,140.60 = 288,160.08 : x - Step 2: Convert to fraction form
608,083.28/912,140.60 = 288,160.08/x - Step 3: Cross multiply
608,083.28x = 912,140.60 × 288,160.08 - Step 4: Simplify right side
608,083.28x = 262,842,508,267.25 - Step 5: Solve for x
x = 262,842,508,267.25/608,083.28 - Step 6: Final answer
x = 432,247.55
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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.