Finding the Fourth Proportional to 310,457.79, 465,833.68 and 130,582.58
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Solution
The fourth proportional to 310,457.79, 465,833.68 and 130,582.58 is: 195,935.70
Step by Step Solution
- Step 1: Write the proportion equation
310,457.79 : 465,833.68 = 130,582.58 : x - Step 2: Convert to fraction form
310,457.79/465,833.68 = 130,582.58/x - Step 3: Cross multiply
310,457.79x = 465,833.68 × 130,582.58 - Step 4: Simplify right side
310,457.79x = 60,829,764,484.51 - Step 5: Solve for x
x = 60,829,764,484.51/310,457.79 - Step 6: Final answer
x = 195,935.70
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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.