Finding the Fourth Proportional to 357,749.04, 536,869.61 and 147,386.97
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Solution
The fourth proportional to 357,749.04, 536,869.61 and 147,386.97 is: 221,181.82
Step by Step Solution
- Step 1: Write the proportion equation
357,749.04 : 536,869.61 = 147,386.97 : x - Step 2: Convert to fraction form
357,749.04/536,869.61 = 147,386.97/x - Step 3: Cross multiply
357,749.04x = 536,869.61 × 147,386.97 - Step 4: Simplify right side
357,749.04x = 79,127,584,366.05 - Step 5: Solve for x
x = 79,127,584,366.05/357,749.04 - Step 6: Final answer
x = 221,181.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.