Finding the Fourth Proportional to 454,660.40, 681,925.80 and 155,154.80
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Solution
The fourth proportional to 454,660.40, 681,925.80 and 155,154.80 is: 232,710.09
Step by Step Solution
- Step 1: Write the proportion equation
454,660.40 : 681,925.80 = 155,154.80 : x - Step 2: Convert to fraction form
454,660.40/681,925.80 = 155,154.80/x - Step 3: Cross multiply
454,660.40x = 681,925.80 × 155,154.80 - Step 4: Simplify right side
454,660.40x = 105,804,061,113.84 - Step 5: Solve for x
x = 105,804,061,113.84/454,660.40 - Step 6: Final answer
x = 232,710.09
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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.