Finding the Fourth Proportional to 418,495.79, 577,569.36 and 237,188.26
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Solution
The fourth proportional to 418,495.79, 577,569.36 and 237,188.26 is: 327,345.40
Step by Step Solution
- Step 1: Write the proportion equation
418,495.79 : 577,569.36 = 237,188.26 : x - Step 2: Convert to fraction form
418,495.79/577,569.36 = 237,188.26/x - Step 3: Cross multiply
418,495.79x = 577,569.36 × 237,188.26 - Step 4: Simplify right side
418,495.79x = 136,992,671,527.71 - Step 5: Solve for x
x = 136,992,671,527.71/418,495.79 - Step 6: Final answer
x = 327,345.40
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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.