Finding the Fourth Proportional to 505,077.10, 697,152.14 and 298,536.82
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Solution
The fourth proportional to 505,077.10, 697,152.14 and 298,536.82 is: 412,066.96
Step by Step Solution
- Step 1: Write the proportion equation
505,077.10 : 697,152.14 = 298,536.82 : x - Step 2: Convert to fraction form
505,077.10/697,152.14 = 298,536.82/x - Step 3: Cross multiply
505,077.10x = 697,152.14 × 298,536.82 - Step 4: Simplify right side
505,077.10x = 208,125,582,931.80 - Step 5: Solve for x
x = 208,125,582,931.80/505,077.10 - Step 6: Final answer
x = 412,066.96
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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.