Finding the Fourth Proportional to 576,746.40, 864,860.40 and 221,642.40
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Solution
The fourth proportional to 576,746.40, 864,860.40 and 221,642.40 is: 332,363.99
Step by Step Solution
- Step 1: Write the proportion equation
576,746.40 : 864,860.40 = 221,642.40 : x - Step 2: Convert to fraction form
576,746.40/864,860.40 = 221,642.40/x - Step 3: Cross multiply
576,746.40x = 864,860.40 × 221,642.40 - Step 4: Simplify right side
576,746.40x = 191,689,734,720.96 - Step 5: Solve for x
x = 191,689,734,720.96/576,746.40 - Step 6: Final answer
x = 332,363.99
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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.