Finding the Fourth Proportional to 286,295.65, 429,440.74 and 174,006.88
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Solution
The fourth proportional to 286,295.65, 429,440.74 and 174,006.88 is: 261,008.65
Step by Step Solution
- Step 1: Write the proportion equation
286,295.65 : 429,440.74 = 174,006.88 : x - Step 2: Convert to fraction form
286,295.65/429,440.74 = 174,006.88/x - Step 3: Cross multiply
286,295.65x = 429,440.74 × 174,006.88 - Step 4: Simplify right side
286,295.65x = 74,725,641,803.67 - Step 5: Solve for x
x = 74,725,641,803.67/286,295.65 - Step 6: Final answer
x = 261,008.65
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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.