Finding the Fourth Proportional to 648,744.09, 973,209.15 and 199,502.70
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Solution
The fourth proportional to 648,744.09, 973,209.15 and 199,502.70 is: 299,282.65
Step by Step Solution
- Step 1: Write the proportion equation
648,744.09 : 973,209.15 = 199,502.70 : x - Step 2: Convert to fraction form
648,744.09/973,209.15 = 199,502.70/x - Step 3: Cross multiply
648,744.09x = 973,209.15 × 199,502.70 - Step 4: Simplify right side
648,744.09x = 194,157,853,089.71 - Step 5: Solve for x
x = 194,157,853,089.71/648,744.09 - Step 6: Final answer
x = 299,282.65
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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.