Finding the Fourth Proportional to 455,056.16, 627,979.56 and 251,109.68
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Solution
The fourth proportional to 455,056.16, 627,979.56 and 251,109.68 is: 346,532.49
Step by Step Solution
- Step 1: Write the proportion equation
455,056.16 : 627,979.56 = 251,109.68 : x - Step 2: Convert to fraction form
455,056.16/627,979.56 = 251,109.68/x - Step 3: Cross multiply
455,056.16x = 627,979.56 × 251,109.68 - Step 4: Simplify right side
455,056.16x = 157,691,746,358.14 - Step 5: Solve for x
x = 157,691,746,358.14/455,056.16 - Step 6: Final answer
x = 346,532.49
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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.