Finding the Fourth Proportional to 307,457.04, 424,252.98 and 171,459.12
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Solution
The fourth proportional to 307,457.04, 424,252.98 and 171,459.12 is: 236,592.54
Step by Step Solution
- Step 1: Write the proportion equation
307,457.04 : 424,252.98 = 171,459.12 : x - Step 2: Convert to fraction form
307,457.04/424,252.98 = 171,459.12/x - Step 3: Cross multiply
307,457.04x = 424,252.98 × 171,459.12 - Step 4: Simplify right side
307,457.04x = 72,742,042,608.18 - Step 5: Solve for x
x = 72,742,042,608.18/307,457.04 - Step 6: Final answer
x = 236,592.54
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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.