Finding the Fourth Proportional to 370,405.16, 556,345.80 and 349,515.68
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Solution
The fourth proportional to 370,405.16, 556,345.80 and 349,515.68 is: 524,969.96
Step by Step Solution
- Step 1: Write the proportion equation
370,405.16 : 556,345.80 = 349,515.68 : x - Step 2: Convert to fraction form
370,405.16/556,345.80 = 349,515.68/x - Step 3: Cross multiply
370,405.16x = 556,345.80 × 349,515.68 - Step 4: Simplify right side
370,405.16x = 194,451,580,602.14 - Step 5: Solve for x
x = 194,451,580,602.14/370,405.16 - Step 6: Final answer
x = 524,969.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.