Finding the Fourth Proportional to 399,156.04, 598,415.94 and 230,484.88
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Solution
The fourth proportional to 399,156.04, 598,415.94 and 230,484.88 is: 345,543.63
Step by Step Solution
- Step 1: Write the proportion equation
399,156.04 : 598,415.94 = 230,484.88 : x - Step 2: Convert to fraction form
399,156.04/598,415.94 = 230,484.88/x - Step 3: Cross multiply
399,156.04x = 598,415.94 × 230,484.88 - Step 4: Simplify right side
399,156.04x = 137,925,826,120.99 - Step 5: Solve for x
x = 137,925,826,120.99/399,156.04 - Step 6: Final answer
x = 345,543.63
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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.