Finding the Fourth Proportional to 352,208.94, 528,303.96 and 99,506.88
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Solution
The fourth proportional to 352,208.94, 528,303.96 and 99,506.88 is: 149,257.65
Step by Step Solution
- Step 1: Write the proportion equation
352,208.94 : 528,303.96 = 99,506.88 : x - Step 2: Convert to fraction form
352,208.94/528,303.96 = 99,506.88/x - Step 3: Cross multiply
352,208.94x = 528,303.96 × 99,506.88 - Step 4: Simplify right side
352,208.94x = 52,569,878,751.24 - Step 5: Solve for x
x = 52,569,878,751.24/352,208.94 - Step 6: Final answer
x = 149,257.65
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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.