Finding the Fourth Proportional to 286,641.18, 430,013.48 and 118,069.49
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Solution
The fourth proportional to 286,641.18, 430,013.48 and 118,069.49 is: 177,125.53
Step by Step Solution
- Step 1: Write the proportion equation
286,641.18 : 430,013.48 = 118,069.49 : x - Step 2: Convert to fraction form
286,641.18/430,013.48 = 118,069.49/x - Step 3: Cross multiply
286,641.18x = 430,013.48 × 118,069.49 - Step 4: Simplify right side
286,641.18x = 50,771,470,421.83 - Step 5: Solve for x
x = 50,771,470,421.83/286,641.18 - Step 6: Final answer
x = 177,125.53
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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.