Finding the Fourth Proportional to 465,298.68, 698,295.43 and 345,631.95
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Solution
The fourth proportional to 465,298.68, 698,295.43 and 345,631.95 is: 518,705.98
Step by Step Solution
- Step 1: Write the proportion equation
465,298.68 : 698,295.43 = 345,631.95 : x - Step 2: Convert to fraction form
465,298.68/698,295.43 = 345,631.95/x - Step 3: Cross multiply
465,298.68x = 698,295.43 × 345,631.95 - Step 4: Simplify right side
465,298.68x = 241,353,211,579.03 - Step 5: Solve for x
x = 241,353,211,579.03/465,298.68 - Step 6: Final answer
x = 518,705.98
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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.