Finding the Fourth Proportional to 468,308.14, 646,267.18 and 253,448.19
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Solution
The fourth proportional to 468,308.14, 646,267.18 and 253,448.19 is: 349,759.55
Step by Step Solution
- Step 1: Write the proportion equation
468,308.14 : 646,267.18 = 253,448.19 : x - Step 2: Convert to fraction form
468,308.14/646,267.18 = 253,448.19/x - Step 3: Cross multiply
468,308.14x = 646,267.18 × 253,448.19 - Step 4: Simplify right side
468,308.14x = 163,795,244,920.71 - Step 5: Solve for x
x = 163,795,244,920.71/468,308.14 - Step 6: Final answer
x = 349,759.55
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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.