Finding the Fourth Proportional to 298,953.42, 448,332.63 and 99,220.20
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Solution
The fourth proportional to 298,953.42, 448,332.63 and 99,220.20 is: 148,797.94
Step by Step Solution
- Step 1: Write the proportion equation
298,953.42 : 448,332.63 = 99,220.20 : x - Step 2: Convert to fraction form
298,953.42/448,332.63 = 99,220.20/x - Step 3: Cross multiply
298,953.42x = 448,332.63 × 99,220.20 - Step 4: Simplify right side
298,953.42x = 44,483,653,215.13 - Step 5: Solve for x
x = 44,483,653,215.13/298,953.42 - Step 6: Final answer
x = 148,797.94
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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.