Finding the Fourth Proportional to 530,253.36, 731,737.68 and 288,536.62
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Solution
The fourth proportional to 530,253.36, 731,737.68 and 288,536.62 is: 398,174.03
Step by Step Solution
- Step 1: Write the proportion equation
530,253.36 : 731,737.68 = 288,536.62 : x - Step 2: Convert to fraction form
530,253.36/731,737.68 = 288,536.62/x - Step 3: Cross multiply
530,253.36x = 731,737.68 × 288,536.62 - Step 4: Simplify right side
530,253.36x = 211,133,116,913.84 - Step 5: Solve for x
x = 211,133,116,913.84/530,253.36 - Step 6: Final answer
x = 398,174.03
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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.