Finding the Fourth Proportional to 358,260.84, 536,065.74 and 216,188.28
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Solution
The fourth proportional to 358,260.84, 536,065.74 and 216,188.28 is: 323,482.55
Step by Step Solution
- Step 1: Write the proportion equation
358,260.84 : 536,065.74 = 216,188.28 : x - Step 2: Convert to fraction form
358,260.84/536,065.74 = 216,188.28/x - Step 3: Cross multiply
358,260.84x = 536,065.74 × 216,188.28 - Step 4: Simplify right side
358,260.84x = 115,891,130,297.53 - Step 5: Solve for x
x = 115,891,130,297.53/358,260.84 - Step 6: Final answer
x = 323,482.55
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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.