Finding the Fourth Proportional to 472,538.72, 652,119.18 and 257,690.54
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Solution
The fourth proportional to 472,538.72, 652,119.18 and 257,690.54 is: 355,621.53
Step by Step Solution
- Step 1: Write the proportion equation
472,538.72 : 652,119.18 = 257,690.54 : x - Step 2: Convert to fraction form
472,538.72/652,119.18 = 257,690.54/x - Step 3: Cross multiply
472,538.72x = 652,119.18 × 257,690.54 - Step 4: Simplify right side
472,538.72x = 168,044,943,638.56 - Step 5: Solve for x
x = 168,044,943,638.56/472,538.72 - Step 6: Final answer
x = 355,621.53
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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.