Finding the Fourth Proportional to 357,606.06, 536,878.17 and 239,804.70
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Solution
The fourth proportional to 357,606.06, 536,878.17 and 239,804.70 is: 360,021.61
Step by Step Solution
- Step 1: Write the proportion equation
357,606.06 : 536,878.17 = 239,804.70 : x - Step 2: Convert to fraction form
357,606.06/536,878.17 = 239,804.70/x - Step 3: Cross multiply
357,606.06x = 536,878.17 × 239,804.70 - Step 4: Simplify right side
357,606.06x = 128,745,908,493.40 - Step 5: Solve for x
x = 128,745,908,493.40/357,606.06 - Step 6: Final answer
x = 360,021.61
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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.