Finding the Fourth Proportional to 455,259.96, 628,148.46 and 291,841.80
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Solution
The fourth proportional to 455,259.96, 628,148.46 and 291,841.80 is: 402,670.99
Step by Step Solution
- Step 1: Write the proportion equation
455,259.96 : 628,148.46 = 291,841.80 : x - Step 2: Convert to fraction form
455,259.96/628,148.46 = 291,841.80/x - Step 3: Cross multiply
455,259.96x = 628,148.46 × 291,841.80 - Step 4: Simplify right side
455,259.96x = 183,319,977,233.63 - Step 5: Solve for x
x = 183,319,977,233.63/455,259.96 - Step 6: Final answer
x = 402,670.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.