Finding the Fourth Proportional to 343,813.23, 515,723.40 and 103,929.12
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Solution
The fourth proportional to 343,813.23, 515,723.40 and 103,929.12 is: 155,894.75
Step by Step Solution
- Step 1: Write the proportion equation
343,813.23 : 515,723.40 = 103,929.12 : x - Step 2: Convert to fraction form
343,813.23/515,723.40 = 103,929.12/x - Step 3: Cross multiply
343,813.23x = 515,723.40 × 103,929.12 - Step 4: Simplify right side
343,813.23x = 53,598,679,125.41 - Step 5: Solve for x
x = 53,598,679,125.41/343,813.23 - Step 6: Final answer
x = 155,894.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.