Finding the Fourth Proportional to 530,344.05, 731,365.99 and 356,307.45
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Solution
The fourth proportional to 530,344.05, 731,365.99 and 356,307.45 is: 491,362.45
Step by Step Solution
- Step 1: Write the proportion equation
530,344.05 : 731,365.99 = 356,307.45 : x - Step 2: Convert to fraction form
530,344.05/731,365.99 = 356,307.45/x - Step 3: Cross multiply
530,344.05x = 731,365.99 × 356,307.45 - Step 4: Simplify right side
530,344.05x = 260,591,150,913.63 - Step 5: Solve for x
x = 260,591,150,913.63/530,344.05 - Step 6: Final answer
x = 491,362.45
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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.