Finding the Fourth Proportional to 105,426.18, 158,037.75 and 38,829.99
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Solution
The fourth proportional to 105,426.18, 158,037.75 and 38,829.99 is: 58,207.59
Step by Step Solution
- Step 1: Write the proportion equation
105,426.18 : 158,037.75 = 38,829.99 : x - Step 2: Convert to fraction form
105,426.18/158,037.75 = 38,829.99/x - Step 3: Cross multiply
105,426.18x = 158,037.75 × 38,829.99 - Step 4: Simplify right side
105,426.18x = 6,136,604,252.12 - Step 5: Solve for x
x = 6,136,604,252.12/105,426.18 - Step 6: Final answer
x = 58,207.59
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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.