Finding the Fourth Proportional to 145,651.71, 218,390.08 and 56,946.99
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Solution
The fourth proportional to 145,651.71, 218,390.08 and 56,946.99 is: 85,386.28
Step by Step Solution
- Step 1: Write the proportion equation
145,651.71 : 218,390.08 = 56,946.99 : x - Step 2: Convert to fraction form
145,651.71/218,390.08 = 56,946.99/x - Step 3: Cross multiply
145,651.71x = 218,390.08 × 56,946.99 - Step 4: Simplify right side
145,651.71x = 12,436,657,701.86 - Step 5: Solve for x
x = 12,436,657,701.86/145,651.71 - Step 6: Final answer
x = 85,386.28
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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.