Finding the Fourth Proportional to 519,037.92, 716,271.12 and 292,681.80
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Solution
The fourth proportional to 519,037.92, 716,271.12 and 292,681.80 is: 403,900.20
Step by Step Solution
- Step 1: Write the proportion equation
519,037.92 : 716,271.12 = 292,681.80 : x - Step 2: Convert to fraction form
519,037.92/716,271.12 = 292,681.80/x - Step 3: Cross multiply
519,037.92x = 716,271.12 × 292,681.80 - Step 4: Simplify right side
519,037.92x = 209,639,520,689.62 - Step 5: Solve for x
x = 209,639,520,689.62/519,037.92 - Step 6: Final answer
x = 403,900.20
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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.