Finding the Fourth Proportional to 516,194.06, 712,461.62 and 286,830.14
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Solution
The fourth proportional to 516,194.06, 712,461.62 and 286,830.14 is: 395,888.84
Step by Step Solution
- Step 1: Write the proportion equation
516,194.06 : 712,461.62 = 286,830.14 : x - Step 2: Convert to fraction form
516,194.06/712,461.62 = 286,830.14/x - Step 3: Cross multiply
516,194.06x = 712,461.62 × 286,830.14 - Step 4: Simplify right side
516,194.06x = 204,355,463,363.99 - Step 5: Solve for x
x = 204,355,463,363.99/516,194.06 - Step 6: Final answer
x = 395,888.84
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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.