Finding the Fourth Proportional to 422,972.98, 634,206.02 and 134,660.02
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Solution
The fourth proportional to 422,972.98, 634,206.02 and 134,660.02 is: 201,909.34
Step by Step Solution
- Step 1: Write the proportion equation
422,972.98 : 634,206.02 = 134,660.02 : x - Step 2: Convert to fraction form
422,972.98/634,206.02 = 134,660.02/x - Step 3: Cross multiply
422,972.98x = 634,206.02 × 134,660.02 - Step 4: Simplify right side
422,972.98x = 85,402,194,088.46 - Step 5: Solve for x
x = 85,402,194,088.46/422,972.98 - Step 6: Final answer
x = 201,909.34
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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.