Finding the Fourth Proportional to 402,257.91, 603,368.40 and 117,936.99
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Solution
The fourth proportional to 402,257.91, 603,368.40 and 117,936.99 is: 176,900.07
Step by Step Solution
- Step 1: Write the proportion equation
402,257.91 : 603,368.40 = 117,936.99 : x - Step 2: Convert to fraction form
402,257.91/603,368.40 = 117,936.99/x - Step 3: Cross multiply
402,257.91x = 603,368.40 × 117,936.99 - Step 4: Simplify right side
402,257.91x = 71,159,452,957.12 - Step 5: Solve for x
x = 71,159,452,957.12/402,257.91 - Step 6: Final answer
x = 176,900.07
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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.