Finding the Fourth Proportional to 531,485.16, 733,482.20 and 305,164.68
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Solution
The fourth proportional to 531,485.16, 733,482.20 and 305,164.68 is: 421,146.02
Step by Step Solution
- Step 1: Write the proportion equation
531,485.16 : 733,482.20 = 305,164.68 : x - Step 2: Convert to fraction form
531,485.16/733,482.20 = 305,164.68/x - Step 3: Cross multiply
531,485.16x = 733,482.20 × 305,164.68 - Step 4: Simplify right side
531,485.16x = 223,832,860,848.70 - Step 5: Solve for x
x = 223,832,860,848.70/531,485.16 - Step 6: Final answer
x = 421,146.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.