Finding the Fourth Proportional to 170,475.84, 235,240.20 and 98,860.50
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Solution
The fourth proportional to 170,475.84, 235,240.20 and 98,860.50 is: 136,417.95
Step by Step Solution
- Step 1: Write the proportion equation
170,475.84 : 235,240.20 = 98,860.50 : x - Step 2: Convert to fraction form
170,475.84/235,240.20 = 98,860.50/x - Step 3: Cross multiply
170,475.84x = 235,240.20 × 98,860.50 - Step 4: Simplify right side
170,475.84x = 23,255,963,792.10 - Step 5: Solve for x
x = 23,255,963,792.10/170,475.84 - Step 6: Final answer
x = 136,417.95
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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.