Finding the Fourth Proportional to 313,573,209.14, 432,708,566.10 and 172,454,366
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Solution
The fourth proportional to 313,573,209.14, 432,708,566.10 and 172,454,366 is: 237,974,671.48
Step by Step Solution
- Step 1: Write the proportion equation
313,573,209.14 : 432,708,566.10 = 172,454,366 : x - Step 2: Convert to fraction form
313,573,209.14/432,708,566.10 = 172,454,366/x - Step 3: Cross multiply
313,573,209.14x = 432,708,566.10 × 172,454,366 - Step 4: Simplify right side
313,573,209.14x = 74,622,481,429,544,592 - Step 5: Solve for x
x = 74,622,481,429,544,592/313,573,209.14 - Step 6: Final answer
x = 237,974,671.48
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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.