Finding the Fourth Proportional to 506,208.56, 698,545.68 and 291,355.52
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Solution
The fourth proportional to 506,208.56, 698,545.68 and 291,355.52 is: 402,057.88
Step by Step Solution
- Step 1: Write the proportion equation
506,208.56 : 698,545.68 = 291,355.52 : x - Step 2: Convert to fraction form
506,208.56/698,545.68 = 291,355.52/x - Step 3: Cross multiply
506,208.56x = 698,545.68 × 291,355.52 - Step 4: Simplify right side
506,208.56x = 203,525,139,840.15 - Step 5: Solve for x
x = 203,525,139,840.15/506,208.56 - Step 6: Final answer
x = 402,057.88
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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.