Finding the Fourth Proportional to 472,030.65, 651,396.21 and 257,170.88
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Solution
The fourth proportional to 472,030.65, 651,396.21 and 257,170.88 is: 354,892.49
Step by Step Solution
- Step 1: Write the proportion equation
472,030.65 : 651,396.21 = 257,170.88 : x - Step 2: Convert to fraction form
472,030.65/651,396.21 = 257,170.88/x - Step 3: Cross multiply
472,030.65x = 651,396.21 × 257,170.88 - Step 4: Simplify right side
472,030.65x = 167,520,133,297.38 - Step 5: Solve for x
x = 167,520,133,297.38/472,030.65 - Step 6: Final answer
x = 354,892.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.