Finding the Fourth Proportional to 375,413.70, 563,115.74 and 91,106.58
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Solution
The fourth proportional to 375,413.70, 563,115.74 and 91,106.58 is: 136,658.70
Step by Step Solution
- Step 1: Write the proportion equation
375,413.70 : 563,115.74 = 91,106.58 : x - Step 2: Convert to fraction form
375,413.70/563,115.74 = 91,106.58/x - Step 3: Cross multiply
375,413.70x = 563,115.74 × 91,106.58 - Step 4: Simplify right side
375,413.70x = 51,303,549,215.57 - Step 5: Solve for x
x = 51,303,549,215.57/375,413.70 - Step 6: Final answer
x = 136,658.70
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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.