Finding the Fourth Proportional to 355,413.99, 533,269.08 and 155,877.66
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Solution
The fourth proportional to 355,413.99, 533,269.08 and 155,877.66 is: 233,881.44
Step by Step Solution
- Step 1: Write the proportion equation
355,413.99 : 533,269.08 = 155,877.66 : x - Step 2: Convert to fraction form
355,413.99/533,269.08 = 155,877.66/x - Step 3: Cross multiply
355,413.99x = 533,269.08 × 155,877.66 - Step 4: Simplify right side
355,413.99x = 83,124,736,340.75 - Step 5: Solve for x
x = 83,124,736,340.75/355,413.99 - Step 6: Final answer
x = 233,881.44
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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.