Finding the Fourth Proportional to 430,892.09, 594,631.08 and 249,639.05
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Solution
The fourth proportional to 430,892.09, 594,631.08 and 249,639.05 is: 344,501.89
Step by Step Solution
- Step 1: Write the proportion equation
430,892.09 : 594,631.08 = 249,639.05 : x - Step 2: Convert to fraction form
430,892.09/594,631.08 = 249,639.05/x - Step 3: Cross multiply
430,892.09x = 594,631.08 × 249,639.05 - Step 4: Simplify right side
430,892.09x = 148,443,137,911.67 - Step 5: Solve for x
x = 148,443,137,911.67/430,892.09 - Step 6: Final answer
x = 344,501.89
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1.5x scale
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.