Finding the Fourth Proportional to 354,482.60, 531,824.36 and 144,271.40
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Solution
The fourth proportional to 354,482.60, 531,824.36 and 144,271.40 is: 216,447.99
Step by Step Solution
- Step 1: Write the proportion equation
354,482.60 : 531,824.36 = 144,271.40 : x - Step 2: Convert to fraction form
354,482.60/531,824.36 = 144,271.40/x - Step 3: Cross multiply
354,482.60x = 531,824.36 × 144,271.40 - Step 4: Simplify right side
354,482.60x = 76,727,044,971.30 - Step 5: Solve for x
x = 76,727,044,971.30/354,482.60 - Step 6: Final answer
x = 216,447.99
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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.