Finding the Fourth Proportional to 471,897.47, 651,228.50 and 257,037.02
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Solution
The fourth proportional to 471,897.47, 651,228.50 and 257,037.02 is: 354,716.52
Step by Step Solution
- Step 1: Write the proportion equation
471,897.47 : 651,228.50 = 257,037.02 : x - Step 2: Convert to fraction form
471,897.47/651,228.50 = 257,037.02/x - Step 3: Cross multiply
471,897.47x = 651,228.50 × 257,037.02 - Step 4: Simplify right side
471,897.47x = 167,389,828,437.74 - Step 5: Solve for x
x = 167,389,828,437.74/471,897.47 - Step 6: Final answer
x = 354,716.52
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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.