Finding the Fourth Proportional to 452,507.21, 624,479.58 and 258,975.67
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Solution
The fourth proportional to 452,507.21, 624,479.58 and 258,975.67 is: 357,397.66
Step by Step Solution
- Step 1: Write the proportion equation
452,507.21 : 624,479.58 = 258,975.67 : x - Step 2: Convert to fraction form
452,507.21/624,479.58 = 258,975.67/x - Step 3: Cross multiply
452,507.21x = 624,479.58 × 258,975.67 - Step 4: Simplify right side
452,507.21x = 161,725,018,412.42 - Step 5: Solve for x
x = 161,725,018,412.42/452,507.21 - Step 6: Final answer
x = 357,397.66
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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.