Finding the Fourth Proportional to 453,859.78, 626,331.16 and 249,929.68
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Solution
The fourth proportional to 453,859.78, 626,331.16 and 249,929.68 is: 344,905.53
Step by Step Solution
- Step 1: Write the proportion equation
453,859.78 : 626,331.16 = 249,929.68 : x - Step 2: Convert to fraction form
453,859.78/626,331.16 = 249,929.68/x - Step 3: Cross multiply
453,859.78x = 626,331.16 × 249,929.68 - Step 4: Simplify right side
453,859.78x = 156,538,746,392.83 - Step 5: Solve for x
x = 156,538,746,392.83/453,859.78 - Step 6: Final answer
x = 344,905.53
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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.