Finding the Fourth Proportional to 368,723.73, 553,257.80 and 191,133.84
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Solution
The fourth proportional to 368,723.73, 553,257.80 and 191,133.84 is: 286,790.03
Step by Step Solution
- Step 1: Write the proportion equation
368,723.73 : 553,257.80 = 191,133.84 : x - Step 2: Convert to fraction form
368,723.73/553,257.80 = 191,133.84/x - Step 3: Cross multiply
368,723.73x = 553,257.80 × 191,133.84 - Step 4: Simplify right side
368,723.73x = 105,746,287,823.95 - Step 5: Solve for x
x = 105,746,287,823.95/368,723.73 - Step 6: Final answer
x = 286,790.03
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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.