Finding the Fourth Proportional to 455,281.54, 628,272.05 and 251,328.08
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Solution
The fourth proportional to 455,281.54, 628,272.05 and 251,328.08 is: 346,823.65
Step by Step Solution
- Step 1: Write the proportion equation
455,281.54 : 628,272.05 = 251,328.08 : x - Step 2: Convert to fraction form
455,281.54/628,272.05 = 251,328.08/x - Step 3: Cross multiply
455,281.54x = 628,272.05 × 251,328.08 - Step 4: Simplify right side
455,281.54x = 157,902,404,902.80 - Step 5: Solve for x
x = 157,902,404,902.80/455,281.54 - Step 6: Final answer
x = 346,823.65
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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.