Finding the Fourth Proportional to 315,712.35, 435,698.60 and 179,748.99
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Solution
The fourth proportional to 315,712.35, 435,698.60 and 179,748.99 is: 248,062.46
Step by Step Solution
- Step 1: Write the proportion equation
315,712.35 : 435,698.60 = 179,748.99 : x - Step 2: Convert to fraction form
315,712.35/435,698.60 = 179,748.99/x - Step 3: Cross multiply
315,712.35x = 435,698.60 × 179,748.99 - Step 4: Simplify right side
315,712.35x = 78,316,382,395.67 - Step 5: Solve for x
x = 78,316,382,395.67/315,712.35 - Step 6: Final answer
x = 248,062.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.