Finding the Fourth Proportional to 959,164.10, 1,438,434.65 and 319,295.96
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Solution
The fourth proportional to 959,164.10, 1,438,434.65 and 319,295.96 is: 478,840.24
Step by Step Solution
- Step 1: Write the proportion equation
959,164.10 : 1,438,434.65 = 319,295.96 : x - Step 2: Convert to fraction form
959,164.10/1,438,434.65 = 319,295.96/x - Step 3: Cross multiply
959,164.10x = 1,438,434.65 × 319,295.96 - Step 4: Simplify right side
959,164.10x = 459,286,366,075.08 - Step 5: Solve for x
x = 459,286,366,075.08/959,164.10 - Step 6: Final answer
x = 478,840.24
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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.