Finding the Fourth Proportional to 512,407.30, 768,829.65 and 246,030.70
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Solution
The fourth proportional to 512,407.30, 768,829.65 and 246,030.70 is: 369,151.06
Step by Step Solution
- Step 1: Write the proportion equation
512,407.30 : 768,829.65 = 246,030.70 : x - Step 2: Convert to fraction form
512,407.30/768,829.65 = 246,030.70/x - Step 3: Cross multiply
512,407.30x = 768,829.65 × 246,030.70 - Step 4: Simplify right side
512,407.30x = 189,155,696,970.26 - Step 5: Solve for x
x = 189,155,696,970.26/512,407.30 - Step 6: Final answer
x = 369,151.06
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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.