Finding the Fourth Proportional to 313,210.23, 432,231.24 and 169,970.23
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Solution
The fourth proportional to 313,210.23, 432,231.24 and 169,970.23 is: 234,559.53
Step by Step Solution
- Step 1: Write the proportion equation
313,210.23 : 432,231.24 = 169,970.23 : x - Step 2: Convert to fraction form
313,210.23/432,231.24 = 169,970.23/x - Step 3: Cross multiply
313,210.23x = 432,231.24 × 169,970.23 - Step 4: Simplify right side
313,210.23x = 73,466,443,275.99 - Step 5: Solve for x
x = 73,466,443,275.99/313,210.23 - Step 6: Final answer
x = 234,559.53
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1.5x scale
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.