Finding the Fourth Proportional to 409,966.18, 614,371.10 and 193,593.98
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Solution
The fourth proportional to 409,966.18, 614,371.10 and 193,593.98 is: 290,117.95
Step by Step Solution
- Step 1: Write the proportion equation
409,966.18 : 614,371.10 = 193,593.98 : x - Step 2: Convert to fraction form
409,966.18/614,371.10 = 193,593.98/x - Step 3: Cross multiply
409,966.18x = 614,371.10 × 193,593.98 - Step 4: Simplify right side
409,966.18x = 118,938,547,013.94 - Step 5: Solve for x
x = 118,938,547,013.94/409,966.18 - Step 6: Final answer
x = 290,117.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.