Finding the Fourth Proportional to 567,281.68, 782,838.68 and 309,161.00
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Solution
The fourth proportional to 567,281.68, 782,838.68 and 309,161.00 is: 426,636.71
Step by Step Solution
- Step 1: Write the proportion equation
567,281.68 : 782,838.68 = 309,161.00 : x - Step 2: Convert to fraction form
567,281.68/782,838.68 = 309,161.00/x - Step 3: Cross multiply
567,281.68x = 782,838.68 × 309,161.00 - Step 4: Simplify right side
567,281.68x = 242,023,189,558.77 - Step 5: Solve for x
x = 242,023,189,558.77/567,281.68 - Step 6: Final answer
x = 426,636.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.