Finding the Fourth Proportional to 469,929.19, 648,502.93 and 255,069.30
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Solution
The fourth proportional to 469,929.19, 648,502.93 and 255,069.30 is: 351,995.99
Step by Step Solution
- Step 1: Write the proportion equation
469,929.19 : 648,502.93 = 255,069.30 : x - Step 2: Convert to fraction form
469,929.19/648,502.93 = 255,069.30/x - Step 3: Cross multiply
469,929.19x = 648,502.93 × 255,069.30 - Step 4: Simplify right side
469,929.19x = 165,413,188,403.05 - Step 5: Solve for x
x = 165,413,188,403.05/469,929.19 - Step 6: Final answer
x = 351,995.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.