Finding the Fourth Proportional to 343,230.21, 514,966.82 and 153,675.63
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Solution
The fourth proportional to 343,230.21, 514,966.82 and 153,675.63 is: 230,567.84
Step by Step Solution
- Step 1: Write the proportion equation
343,230.21 : 514,966.82 = 153,675.63 : x - Step 2: Convert to fraction form
343,230.21/514,966.82 = 153,675.63/x - Step 3: Cross multiply
343,230.21x = 514,966.82 × 153,675.63 - Step 4: Simplify right side
343,230.21x = 79,137,849,724.22 - Step 5: Solve for x
x = 79,137,849,724.22/343,230.21 - Step 6: Final answer
x = 230,567.84
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1.5x scale
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.