Finding the Fourth Proportional to 316,335.83, 436,545.99 and 173,097.05
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Solution
The fourth proportional to 316,335.83, 436,545.99 and 173,097.05 is: 238,875.32
Step by Step Solution
- Step 1: Write the proportion equation
316,335.83 : 436,545.99 = 173,097.05 : x - Step 2: Convert to fraction form
316,335.83/436,545.99 = 173,097.05/x - Step 3: Cross multiply
316,335.83x = 436,545.99 × 173,097.05 - Step 4: Simplify right side
316,335.83x = 75,564,820,875.60 - Step 5: Solve for x
x = 75,564,820,875.60/316,335.83 - Step 6: Final answer
x = 238,875.32
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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.