Finding the Fourth Proportional to 168,328.19, 232,292.80 and 107,898.79
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Solution
The fourth proportional to 168,328.19, 232,292.80 and 107,898.79 is: 148,900.26
Step by Step Solution
- Step 1: Write the proportion equation
168,328.19 : 232,292.80 = 107,898.79 : x - Step 2: Convert to fraction form
168,328.19/232,292.80 = 107,898.79/x - Step 3: Cross multiply
168,328.19x = 232,292.80 × 107,898.79 - Step 4: Simplify right side
168,328.19x = 25,064,112,045.71 - Step 5: Solve for x
x = 25,064,112,045.71/168,328.19 - Step 6: Final answer
x = 148,900.26
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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.