Finding the Fourth Proportional to 290,731.60, 401,368.44 and 176,029.84
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Solution
The fourth proportional to 290,731.60, 401,368.44 and 176,029.84 is: 243,017.35
Step by Step Solution
- Step 1: Write the proportion equation
290,731.60 : 401,368.44 = 176,029.84 : x - Step 2: Convert to fraction form
290,731.60/401,368.44 = 176,029.84/x - Step 3: Cross multiply
290,731.60x = 401,368.44 × 176,029.84 - Step 4: Simplify right side
290,731.60x = 70,652,822,274.25 - Step 5: Solve for x
x = 70,652,822,274.25/290,731.60 - Step 6: Final answer
x = 243,017.35
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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.