Finding the Fourth Proportional to 307,802.83, 424,726.71 and 171,816.99
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Solution
The fourth proportional to 307,802.83, 424,726.71 and 171,816.99 is: 237,084.45
Step by Step Solution
- Step 1: Write the proportion equation
307,802.83 : 424,726.71 = 171,816.99 : x - Step 2: Convert to fraction form
307,802.83/424,726.71 = 171,816.99/x - Step 3: Cross multiply
307,802.83x = 424,726.71 × 171,816.99 - Step 4: Simplify right side
307,802.83x = 72,975,264,884.80 - Step 5: Solve for x
x = 72,975,264,884.80/307,802.83 - Step 6: Final answer
x = 237,084.45
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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.