Finding the Fourth Proportional to 147,340.29, 203,354.06 and 86,925.78
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Solution
The fourth proportional to 147,340.29, 203,354.06 and 86,925.78 is: 119,972.01
Step by Step Solution
- Step 1: Write the proportion equation
147,340.29 : 203,354.06 = 86,925.78 : x - Step 2: Convert to fraction form
147,340.29/203,354.06 = 86,925.78/x - Step 3: Cross multiply
147,340.29x = 203,354.06 × 86,925.78 - Step 4: Simplify right side
147,340.29x = 17,676,710,281.67 - Step 5: Solve for x
x = 17,676,710,281.67/147,340.29 - Step 6: Final answer
x = 119,972.01
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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.