Finding the Fourth Proportional to 286,167.99, 429,312.70 and 108,671.07
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Solution
The fourth proportional to 286,167.99, 429,312.70 and 108,671.07 is: 163,029.66
Step by Step Solution
- Step 1: Write the proportion equation
286,167.99 : 429,312.70 = 108,671.07 : x - Step 2: Convert to fraction form
286,167.99/429,312.70 = 108,671.07/x - Step 3: Cross multiply
286,167.99x = 429,312.70 × 108,671.07 - Step 4: Simplify right side
286,167.99x = 46,653,870,473.59 - Step 5: Solve for x
x = 46,653,870,473.59/286,167.99 - Step 6: Final answer
x = 163,029.66
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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.