Finding the Fourth Proportional to 368,732.77, 508,860.70 and 207,593.53
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Solution
The fourth proportional to 368,732.77, 508,860.70 and 207,593.53 is: 286,484.40
Step by Step Solution
- Step 1: Write the proportion equation
368,732.77 : 508,860.70 = 207,593.53 : x - Step 2: Convert to fraction form
368,732.77/508,860.70 = 207,593.53/x - Step 3: Cross multiply
368,732.77x = 508,860.70 × 207,593.53 - Step 4: Simplify right side
368,732.77x = 105,636,187,200.14 - Step 5: Solve for x
x = 105,636,187,200.14/368,732.77 - Step 6: Final answer
x = 286,484.40
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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.