Finding the Fourth Proportional to 670,690.68, 1,006,136.06 and 221,459
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Solution
The fourth proportional to 670,690.68, 1,006,136.06 and 221,459 is: 332,221.53
Step by Step Solution
- Step 1: Write the proportion equation
670,690.68 : 1,006,136.06 = 221,459 : x - Step 2: Convert to fraction form
670,690.68/1,006,136.06 = 221,459/x - Step 3: Cross multiply
670,690.68x = 1,006,136.06 × 221,459 - Step 4: Simplify right side
670,690.68x = 222,817,885,711.54 - Step 5: Solve for x
x = 222,817,885,711.54/670,690.68 - Step 6: Final answer
x = 332,221.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.