Finding the Fourth Proportional to 472,172.68, 651,575.10 and 257,312.08
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Solution
The fourth proportional to 472,172.68, 651,575.10 and 257,312.08 is: 355,078.03
Step by Step Solution
- Step 1: Write the proportion equation
472,172.68 : 651,575.10 = 257,312.08 : x - Step 2: Convert to fraction form
472,172.68/651,575.10 = 257,312.08/x - Step 3: Cross multiply
472,172.68x = 651,575.10 × 257,312.08 - Step 4: Simplify right side
472,172.68x = 167,658,144,257.21 - Step 5: Solve for x
x = 167,658,144,257.21/472,172.68 - Step 6: Final answer
x = 355,078.03
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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.